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BAL · 2025 transactions
Data through 2026-10-03
| Date | Player | Type | Detail |
|---|---|---|---|
| Dec 28 | Will Robertson | Designated for Assignment | Baltimore Orioles designated LF Will Robertson for assignment. |
| Dec 28 | Zach Eflin | Signed as Free Agent | Baltimore Orioles signed free agent RHP Zach Eflin. |
| Dec 19 | Josh Walker | Designated for Assignment | Baltimore Orioles designated LHP Josh Walker for assignment. |
| Dec 19 | — | Trade | Tampa Bay Rays traded RHP Shane Baz to Baltimore Orioles for C Caden Bodine, OF Slater de Brun, RHP Michael Forret, OF Austin Overn and Draft Pick. 2026 Competitive Balance Round A pick (No. 33). |
| Dec 17 | Willy Vasquez | Status Change | 3B Willy Vasquez roster status changed by Baltimore Orioles. |
| Dec 17 | Albert Suárez | Status Change | RHP Albert Suárez roster status changed by Baltimore Orioles. |
| Dec 17 | Willy Vasquez | Signed as Free Agent | Baltimore Orioles signed free agent C Willy Vasquez to a minor league contract. |
| Dec 17 | Albert Suárez | Signed as Free Agent | Baltimore Orioles signed free agent RHP Albert Suárez to a minor league contract. |
| Dec 17 | Maverick Handley | Outrighted | Baltimore Orioles sent C Maverick Handley outright to Norfolk Tides. |
| Dec 17 | Drew Romo | Claimed Off Waivers | New York Mets claimed C Drew Romo off waivers from Baltimore Orioles. |
| Dec 16 | Maverick Handley | Status Change | C Maverick Handley roster status changed by Baltimore Orioles. |
| Dec 13 | Roldanny Sena | Signed as Free Agent | Baltimore Orioles signed free agent RHP Roldanny Sena to a minor league contract. |
| Dec 12 | Ryan Noda | Outrighted | Baltimore Orioles sent 1B Ryan Noda outright to Norfolk Tides. |
| Dec 11 | Ryan Noda | Status Change | 1B Ryan Noda roster status changed by Baltimore Orioles. |
| Dec 11 | Maverick Handley | Designated for Assignment | Baltimore Orioles designated C Maverick Handley for assignment. |
| Dec 11 | Pete Alonso | Signed as Free Agent | Baltimore Orioles signed free agent 1B Pete Alonso. |
| Dec 10 | Carter Baumler | Rule 5 Selection | Pittsburgh Pirates purchased contract of RHP Carter Baumler in the Rule 5 Draft. |
| Dec 10 | Justin Armbruester | Rule 5 Draft Minors | New York Mets purchased contract of RHP Justin Armbruester in the Rule 5 Draft, AAA Phase. |
| Dec 10 | Drew Romo | Designated for Assignment | Baltimore Orioles designated C Drew Romo for assignment. |
| Dec 10 | Josh Walker | Claimed Off Waivers | Baltimore Orioles claimed LHP Josh Walker off waivers from Atlanta Braves. |
| Dec 5 | Ryan Noda | Designated for Assignment | Baltimore Orioles designated 1B Ryan Noda for assignment. |
| Dec 5 | Will Robertson | Claimed Off Waivers | Baltimore Orioles claimed LF Will Robertson off waivers from Pittsburgh Pirates. |
| Dec 5 | Drew Romo | Claimed Off Waivers | Baltimore Orioles claimed C Drew Romo off waivers from Colorado Rockies. |
| Dec 2 | Andrew Magno | Status Change | LHP Andrew Magno roster status changed by Baltimore Orioles. |
| Dec 2 | Andrew Magno | Signed as Free Agent | Baltimore Orioles signed free agent LHP Andrew Magno to a minor league contract. |
| Dec 1 | Ryan Helsley | Signed as Free Agent | Baltimore Orioles signed free agent RHP Ryan Helsley. |
| Nov 23 | Luis Vázquez | Outrighted | Baltimore Orioles sent SS Luis Vázquez outright to Norfolk Tides. |
| Nov 22 | Luis Vázquez | Status Change | SS Luis Vázquez roster status changed by Baltimore Orioles. |
| Nov 21 | Payton Eeles | Status Change | 2B Payton Eeles roster status changed by Baltimore Orioles. |
| Nov 21 | Albert Suárez | Declared Free Agency | RHP Albert Suárez elected free agency. |
| Nov 21 | Pedro León | Claimed Off Waivers | Philadelphia Phillies claimed RF Pedro León off waivers from Baltimore Orioles. |
| Nov 21 | Payton Eeles | Trade | Minnesota Twins traded 2B Payton Eeles to Baltimore Orioles for C Alex Jackson. |
| Nov 19 | Taylor Ward | Status Change | Baltimore Orioles activated LF Taylor Ward. |
| Nov 19 | Taylor Ward | Trade | Los Angeles Angels traded LF Taylor Ward to Baltimore Orioles for RHP Grayson Rodriguez. |
| Nov 18 | Jeisson Cabrera | Status Change | RHP Jeisson Cabrera roster status changed by Baltimore Orioles. |
| Nov 18 | Reed Trimble | Selected | Baltimore Orioles selected the contract of LF Reed Trimble from Norfolk Tides. |
| Nov 18 | Cameron Foster | Selected | Baltimore Orioles selected the contract of RHP Cameron Foster from Norfolk Tides. |
| Nov 18 | Luis Vázquez | Designated for Assignment | Baltimore Orioles designated SS Luis Vázquez for assignment. |
| Nov 18 | Pedro León | Designated for Assignment | Baltimore Orioles designated RF Pedro León for assignment. |
| Nov 18 | Jeisson Cabrera | Signed as Free Agent | Baltimore Orioles signed free agent RHP Jeisson Cabrera to a minor league contract. |
| Nov 14 | Richard Guasch | Status Change | RHP Richard Guasch roster status changed by Baltimore Orioles. |
| Nov 14 | Richard Guasch | Signed as Free Agent | Baltimore Orioles signed free agent RHP Richard Guasch to a minor league contract. |
| Nov 13 | Josh Walker | Claimed Off Waivers | Atlanta Braves claimed LHP Josh Walker off waivers from Baltimore Orioles. |
| Nov 13 | Carson Ragsdale | Claimed Off Waivers | Atlanta Braves claimed RHP Carson Ragsdale off waivers from Baltimore Orioles. |
| Nov 10 | Enoli Paredes | Status Change | RHP Enoli Paredes roster status changed by Baltimore Orioles. |
| Nov 10 | Enoli Paredes | Signed as Free Agent | Baltimore Orioles signed free agent RHP Enoli Paredes to a minor league contract. |
| Nov 7 | Carson Ragsdale | Designated for Assignment | Baltimore Orioles designated RHP Carson Ragsdale for assignment. |
| Nov 6 | Félix Bautista | Status Change | Baltimore Orioles placed RHP Félix Bautista on the 60-day injured list. Right Shoulder Surgery. |
| Nov 6 | Leody Taveras | Signed as Free Agent | Baltimore Orioles signed free agent OF Leody Taveras. |
| Nov 6 | Josh Walker | Designated for Assignment | Baltimore Orioles designated LHP Josh Walker for assignment. |
| Nov 6 | Jorge Mateo | Declared Free Agency | SS Jorge Mateo elected free agency. |
| Nov 6 | Anthony Nunez | Selected | Baltimore Orioles selected the contract of RHP Anthony Nunez from Norfolk Tides. |
| Nov 6 | Shawn Dubin | Outrighted | Baltimore Orioles sent RHP Shawn Dubin outright to Norfolk Tides. |
| Nov 6 | Dylan Carlson | Declared Free Agency | LF Dylan Carlson elected free agency. |
| Nov 6 | Daniel Johnson | Outrighted | Baltimore Orioles sent CF Daniel Johnson outright to Norfolk Tides. |
| Nov 6 | Pedro León | Claimed Off Waivers | Baltimore Orioles claimed RF Pedro León off waivers from Houston Astros. |
| Nov 6 | José Castillo | Claimed Off Waivers | New York Mets claimed LHP José Castillo off waivers from Baltimore Orioles. |
| Nov 6 | Brandon Young | Status Change | Baltimore Orioles activated RHP Brandon Young from the 60-day injured list. |
| Nov 6 | Félix Bautista | Status Change | Baltimore Orioles activated RHP Félix Bautista from the 60-day injured list. |
| Nov 6 | Grayson Rodriguez | Status Change | Baltimore Orioles activated RHP Grayson Rodriguez from the 60-day injured list. |
| Nov 5 | Daniel Johnson | Designated for Assignment | Baltimore Orioles designated CF Daniel Johnson for assignment. |
| Nov 5 | George Soriano | Claimed Off Waivers | Baltimore Orioles claimed RHP George Soriano off waivers from Miami Marlins. |
| Nov 4 | — | Trade | Chicago Cubs traded RHP Andrew Kittredge to Baltimore Orioles for cash. |
| Nov 3 | Jean Henriquez | Status Change | RHP Jean Henriquez roster status changed by Baltimore Orioles. |
| Nov 3 | Jean Henriquez | Signed as Free Agent | Baltimore Orioles signed free agent RHP Jean Henriquez to a minor league contract. |
| Nov 2 | Tomoyuki Sugano | Declared Free Agency | RHP Tomoyuki Sugano elected free agency. |
| Nov 2 | Gary Sánchez | Declared Free Agency | C Gary Sánchez elected free agency. |
| Nov 2 | Zach Eflin | Declared Free Agency | RHP Zach Eflin elected free agency. |
| Oct 31 | Roniel Joseph | Signed as Free Agent | Baltimore Orioles signed free agent RHP Roniel Joseph to a minor league contract. |
| Oct 20 | Gabriel Fuentes | Signed as Free Agent | Baltimore Orioles signed free agent RHP Gabriel Fuentes to a minor league contract. |
| Oct 20 | Scarling Sterling | Signed as Free Agent | Baltimore Orioles signed free agent LHP Scarling Sterling to a minor league contract. |
| Oct 20 | Christian Rojas | Signed as Free Agent | Baltimore Orioles signed free agent LHP Christian Rojas to a minor league contract. |
| Sep 29 | Jose Espada | Status Change | Baltimore Orioles activated RHP Jose Espada. |
| Sep 29 | Jose Espada | Recalled | Baltimore Orioles recalled RHP Jose Espada from FCL Orioles. |
| Sep 29 | Luis Vázquez | Recalled | Baltimore Orioles recalled SS Luis Vázquez from FCL Orioles. |
| Sep 29 | Cade Povich | Recalled | Baltimore Orioles recalled LHP Cade Povich from FCL Orioles. |
| Sep 29 | Heston Kjerstad | Recalled | Baltimore Orioles recalled LF Heston Kjerstad from Norfolk Tides. |
| Sep 29 | Daniel Johnson | Recalled | Baltimore Orioles recalled CF Daniel Johnson from Norfolk Tides. |
| Sep 29 | Josh Walker | Recalled | Baltimore Orioles recalled LHP Josh Walker from Norfolk Tides. |
| Sep 29 | Ryan Noda | Recalled | Baltimore Orioles recalled 1B Ryan Noda from Norfolk Tides. |
| Sep 29 | Maverick Handley | Recalled | Baltimore Orioles recalled C Maverick Handley from Norfolk Tides. |
| Sep 29 | Albert Suárez | Status Change | Baltimore Orioles activated RHP Albert Suárez from the 15-day injured list. |
| Sep 29 | Chayce McDermott | Status Change | Baltimore Orioles activated RHP Chayce McDermott from the 15-day injured list. |
| Sep 29 | Shawn Dubin | Status Change | Baltimore Orioles activated RHP Shawn Dubin from the 15-day injured list. |
| Sep 29 | Dietrich Enns | Status Change | Baltimore Orioles activated LHP Dietrich Enns from the paternity list. |
| Sep 27 | Grant Wolfram | Status Change | Baltimore Orioles activated LHP Grant Wolfram. |
| Sep 27 | Dom Hamel | Claimed Off Waivers | Texas Rangers claimed RHP Dom Hamel off waivers from Baltimore Orioles. |
| Sep 27 | Dietrich Enns | Status Change | Baltimore Orioles placed LHP Dietrich Enns on the paternity list. |
| Sep 27 | Cade Povich | Optioned | Baltimore Orioles optioned LHP Cade Povich to FCL Orioles. |
| Sep 27 | Grant Wolfram | Recalled | Baltimore Orioles recalled LHP Grant Wolfram from Norfolk Tides. |
| Sep 27 | Carson Ragsdale | Recalled | Baltimore Orioles recalled RHP Carson Ragsdale from FCL Orioles. |
| Sep 25 | Dom Hamel | Designated for Assignment | Baltimore Orioles designated RHP Dom Hamel for assignment. |
| Sep 25 | Carson Ragsdale | Optioned | Baltimore Orioles optioned RHP Carson Ragsdale to FCL Orioles. |
| Sep 25 | Carson Ragsdale | Claimed Off Waivers | Baltimore Orioles claimed RHP Carson Ragsdale off waivers from Atlanta Braves. |
| Sep 23 | Chayce McDermott | Status Change | Baltimore Orioles placed RHP Chayce McDermott on the 15-day injured list. Back discomfort. |
| Sep 23 | Jose Espada | Optioned | Baltimore Orioles optioned RHP Jose Espada to FCL Orioles. |
| Sep 23 | Colin Selby | Status Change | Baltimore Orioles activated RHP Colin Selby from the 15-day injured list. |
| Sep 22 | Adley Rutschman | Status Change | Baltimore Orioles activated C Adley Rutschman from the 10-day injured list. |
| Sep 22 | Luis Vázquez | Optioned | Baltimore Orioles optioned SS Luis Vázquez to FCL Orioles. |
| Sep 22 | Scott Blewett | Outrighted | Baltimore Orioles sent RHP Scott Blewett outright to FCL Orioles. |
| Sep 20 | Dom Hamel | Optioned | Baltimore Orioles optioned RHP Dom Hamel to Norfolk Tides. |
| Sep 20 | Dom Hamel | Claimed Off Waivers | Baltimore Orioles claimed RHP Dom Hamel off waivers from New York Mets. |
| Sep 19 | Emmanuel Rivera | Outrighted | Baltimore Orioles sent 3B Emmanuel Rivera outright to Norfolk Tides. |
| Sep 19 | Scott Blewett | Designated for Assignment | Baltimore Orioles designated RHP Scott Blewett for assignment. |
| Sep 19 | Scott Blewett | Status Change | Baltimore Orioles activated RHP Scott Blewett from the 60-day injured list. |
| Sep 19 | Chayce McDermott | Status Change | Baltimore Orioles placed RHP Chayce McDermott on the bereavement list. |
| Sep 19 | Jose Espada | Recalled | Baltimore Orioles recalled RHP Jose Espada from Norfolk Tides. |
| Sep 17 | Carson Ragsdale | Claimed Off Waivers | Atlanta Braves claimed RHP Carson Ragsdale off waivers from Baltimore Orioles. |
| Sep 17 | Adley Rutschman | Assigned | Baltimore Orioles sent C Adley Rutschman on a rehab assignment to Norfolk Tides. |
| Sep 16 | Grant Wolfram | Optioned | Baltimore Orioles optioned LHP Grant Wolfram to Norfolk Tides. |
| Sep 16 | Emmanuel Rivera | Designated for Assignment | Baltimore Orioles designated 3B Emmanuel Rivera for assignment. |
| Sep 16 | José Castillo | Status Change | Baltimore Orioles activated LHP José Castillo. |
| Sep 16 | Jordan Westburg | Status Change | Baltimore Orioles activated 3B Jordan Westburg from the 10-day injured list. |
| Sep 15 | Emmanuel Rivera | Number Change | 3B Emmanuel Rivera changed number to 21. |
| Sep 15 | José Castillo | Claimed Off Waivers | Baltimore Orioles claimed LHP José Castillo off waivers from Seattle Mariners. |
| Sep 15 | Carson Ragsdale | Designated for Assignment | Baltimore Orioles designated RHP Carson Ragsdale for assignment. |
| Sep 15 | Albert Suárez | Status Change | Baltimore Orioles placed RHP Albert Suárez on the 15-day injured list. Right elbow discomfort. |
| Sep 15 | Chayce McDermott | Recalled | Baltimore Orioles recalled RHP Chayce McDermott from Norfolk Tides. |
| Sep 15 | Yaramil Hiraldo | Recalled | Baltimore Orioles recalled RHP Yaramil Hiraldo from Norfolk Tides. |
| Sep 14 | Shawn Dubin | Status Change | Baltimore Orioles placed RHP Shawn Dubin on the 15-day injured list retroactive to September 13, 2025. Right elbow discomfort. |
| Sep 14 | Carson Ragsdale | Recalled | Baltimore Orioles recalled RHP Carson Ragsdale from Norfolk Tides. |
| Sep 12 | Jordan Westburg | Assigned | Baltimore Orioles sent 3B Jordan Westburg on a rehab assignment to Norfolk Tides. |
| Sep 12 | Jordan Westburg | Assigned | Baltimore Orioles sent 3B Jordan Westburg on a rehab assignment to Norfolk Tides. |
| Sep 12 | Jordan Westburg | Assigned | Baltimore Orioles sent 3B Jordan Westburg on a rehab assignment to Norfolk Tides. |
| Sep 12 | Daniel Johnson | Optioned | Baltimore Orioles optioned CF Daniel Johnson to Norfolk Tides. |
| Sep 12 | Tyler O'Neill | Status Change | Baltimore Orioles activated RF Tyler O'Neill from the 10-day injured list. |
| Sep 11 | Colin Selby | Assigned | Baltimore Orioles sent RHP Colin Selby on a rehab assignment to Norfolk Tides. |
| Sep 10 | Gary Sánchez | Assigned | Baltimore Orioles sent C Gary Sánchez on a rehab assignment to Norfolk Tides. |
| Sep 9 | Tyler O'Neill | Assigned | Baltimore Orioles sent RF Tyler O'Neill on a rehab assignment to Norfolk Tides. |
| Sep 9 | Tyler O'Neill | Assigned | Baltimore Orioles sent RF Tyler O'Neill on a rehab assignment to Norfolk Tides. |
| Sep 9 | Tyler O'Neill | Assigned | Baltimore Orioles sent RF Tyler O'Neill on a rehab assignment to Norfolk Tides. |
| Sep 7 | Tyler O'Neill | Assigned | Baltimore Orioles sent RF Tyler O'Neill on a rehab assignment to Chesapeake Baysox. |
| Sep 7 | Tyler O'Neill | Assigned | Baltimore Orioles sent RF Tyler O'Neill on a rehab assignment to Chesapeake Baysox. |
| Sep 5 | Elvin Rodríguez | Claimed Off Waivers | Arizona Diamondbacks claimed RHP Elvin Rodríguez off waivers from Baltimore Orioles. |
| Sep 4 | Elvin Rodríguez | Status Change | RHP Elvin Rodríguez roster status changed by Baltimore Orioles. |
| Sep 4 | Corbin Martin | Outrighted | Baltimore Orioles sent RHP Corbin Martin outright to Norfolk Tides. |
| Sep 3 | Scott Blewett | Assigned | Baltimore Orioles sent RHP Scott Blewett on a rehab assignment to Norfolk Tides. |
| Sep 3 | Scott Blewett | Assigned | Baltimore Orioles sent RHP Scott Blewett on a rehab assignment to Norfolk Tides. |
| Sep 3 | Scott Blewett | Assigned | Baltimore Orioles sent RHP Scott Blewett on a rehab assignment to Norfolk Tides. |
| Sep 2 | Tyler Wells | Status Change | Baltimore Orioles activated RHP Tyler Wells from the 60-day injured list. |
| Sep 2 | Jorge Mateo | Status Change | Baltimore Orioles activated SS Jorge Mateo from the 60-day injured list. |
| Sep 2 | Elvin Rodríguez | Designated for Assignment | Baltimore Orioles designated RHP Elvin Rodríguez for assignment. |
| Sep 2 | Corbin Martin | Designated for Assignment | Baltimore Orioles designated RHP Corbin Martin for assignment. |
| Sep 2 | Maverick Handley | Optioned | Baltimore Orioles optioned C Maverick Handley to Norfolk Tides. |
| Sep 2 | Roansy Contreras | Claimed Off Waivers | Colorado Rockies claimed RHP Roansy Contreras off waivers from Baltimore Orioles. |
| Sep 1 | Maverick Handley | Recalled | Baltimore Orioles recalled C Maverick Handley from Norfolk Tides. |
| Sep 1 | Albert Suárez | Status Change | Baltimore Orioles activated RHP Albert Suárez from the 60-day injured list. |
| Aug 30 | Cody Poteet | Outrighted | Baltimore Orioles sent RHP Cody Poteet outright to Norfolk Tides. |
| Aug 30 | Cody Poteet | Status Change | Baltimore Orioles activated RHP Cody Poteet from the 60-day injured list. |
| Aug 29 | Matt Bowman | Released | Baltimore Orioles released RHP Matt Bowman. |
| Aug 29 | Vimael Machín | Outrighted | Baltimore Orioles sent SS Vimael Machín outright to Norfolk Tides. |
| Aug 28 | Roansy Contreras | Designated for Assignment | Baltimore Orioles designated RHP Roansy Contreras for assignment. |
| Aug 28 | Shawn Dubin | Status Change | Baltimore Orioles activated RHP Shawn Dubin. |
| Aug 27 | Vimael Machín | Designated for Assignment | Baltimore Orioles designated SS Vimael Machín for assignment. |
| Aug 27 | Brandon Young | Status Change | Baltimore Orioles transferred RHP Brandon Young from the 15-day injured list to the 60-day injured list. Left hamstring strain. |
| Aug 27 | Yaramil Hiraldo | Optioned | Baltimore Orioles optioned RHP Yaramil Hiraldo to Norfolk Tides. |
| Aug 27 | Emmanuel Rivera | Selected | Baltimore Orioles selected the contract of 3B Emmanuel Rivera from Norfolk Tides. |
| Aug 27 | Roansy Contreras | Selected | Baltimore Orioles selected the contract of RHP Roansy Contreras from Norfolk Tides. |
| Aug 26 | Shawn Dubin | Claimed Off Waivers | Baltimore Orioles claimed RHP Shawn Dubin off waivers from Houston Astros. |
| Aug 26 | Kyle Bradish | Status Change | Baltimore Orioles activated RHP Kyle Bradish from the 60-day injured list. |
| Aug 26 | Scott Blewett | Status Change | Baltimore Orioles transferred RHP Scott Blewett from the 15-day injured list to the 60-day injured list. Right elbow discomfort. |
| Aug 26 | Matt Bowman | Designated for Assignment | Baltimore Orioles designated RHP Matt Bowman for assignment. |
| Aug 23 | Cody Poteet | Assigned | Baltimore Orioles sent RHP Cody Poteet on a rehab assignment to Norfolk Tides. |
| Aug 23 | Cody Poteet | Assigned | Baltimore Orioles sent RHP Cody Poteet on a rehab assignment to Norfolk Tides. |
| Aug 22 | Gary Sánchez | Status Change | Baltimore Orioles transferred C Gary Sánchez from the 10-day injured list to the 60-day injured list. Right knee sprain. |
| Aug 22 | Jordan Westburg | Status Change | Baltimore Orioles placed 3B Jordan Westburg on the 10-day injured list retroactive to August 19, 2025. Right ankle sprain. |
| Aug 22 | Vimael Machín | Selected | Baltimore Orioles selected the contract of SS Vimael Machín from Norfolk Tides. |
| Aug 22 | Félix Bautista | Status Change | Baltimore Orioles transferred RHP Félix Bautista from the 15-day injured list to the 60-day injured list. Right shoulder surgery. |
| Aug 22 | Brandon Young | Status Change | Baltimore Orioles placed RHP Brandon Young on the 15-day injured list. Left hamstring strain. |
| Aug 22 | Matt Bowman | Selected | Baltimore Orioles selected the contract of RHP Matt Bowman from Norfolk Tides. |
| Aug 21 | Adley Rutschman | Status Change | Baltimore Orioles placed C Adley Rutschman on the 10-day injured list retroactive to August 18, 2025. Right oblique strain. |
| Aug 21 | Daniel Johnson | Recalled | Baltimore Orioles recalled CF Daniel Johnson from Norfolk Tides. |
| Aug 21 | Josh Walker | Claimed Off Waivers | Baltimore Orioles claimed LHP Josh Walker off waivers from Philadelphia Phillies. |
| Aug 20 | Jorge Mateo | Assigned | Baltimore Orioles sent SS Jorge Mateo on a rehab assignment to Norfolk Tides. |
| Aug 19 | Jordyn Adams | Outrighted | Baltimore Orioles sent CF Jordyn Adams outright to Norfolk Tides. |
| Aug 19 | Greg Allen | Outrighted | Baltimore Orioles sent CF Greg Allen outright to Norfolk Tides. |
| Aug 17 | Albert Suárez | Assigned | Baltimore Orioles sent RHP Albert Suárez on a rehab assignment to Norfolk Tides. |
| Aug 17 | Maverick Handley | Optioned | Baltimore Orioles optioned C Maverick Handley to Norfolk Tides. |
| Aug 17 | Maverick Handley | Status Change | Baltimore Orioles activated C Maverick Handley from the 10-day injured list. |
| Aug 17 | Ryan Noda | Optioned | Baltimore Orioles optioned 1B Ryan Noda to Norfolk Tides. |
| Aug 17 | Daniel Johnson | Optioned | Baltimore Orioles optioned CF Daniel Johnson to Norfolk Tides. |
| Aug 17 | Zach Eflin | Status Change | Baltimore Orioles transferred RHP Zach Eflin from the 15-day injured list to the 60-day injured list. Low back discomfort. |
| Aug 17 | Colton Cowser | Status Change | Baltimore Orioles activated LF Colton Cowser from the 7-day injured list. |
| Aug 17 | Samuel Basallo | Selected | Baltimore Orioles selected the contract of C Samuel Basallo from Norfolk Tides. |
| Aug 16 | Greg Allen | Designated for Assignment | Baltimore Orioles designated CF Greg Allen for assignment. |
| Aug 16 | Dylan Beavers | Selected | Baltimore Orioles selected the contract of RF Dylan Beavers from Norfolk Tides. |
| Aug 13 | Houston Roth | Outrighted | Baltimore Orioles sent RHP Houston Roth outright to Norfolk Tides. |
| Aug 12 | Albert Suárez | Assigned | Baltimore Orioles sent RHP Albert Suárez on a rehab assignment to Chesapeake Baysox. |
| Aug 12 | Daniel Johnson | Status Change | Baltimore Orioles activated CF Daniel Johnson. |
| Aug 12 | Jordyn Adams | Optioned | Baltimore Orioles optioned CF Jordyn Adams to Norfolk Tides. |
| Aug 11 | Jose Espada | Optioned | Baltimore Orioles optioned RHP Jose Espada to Norfolk Tides. |
| Aug 11 | Jose Espada | Selected | Baltimore Orioles selected the contract of RHP Jose Espada from Norfolk Tides. |
| Aug 11 | Houston Roth | Designated for Assignment | Baltimore Orioles designated RHP Houston Roth for assignment. |
| Aug 11 | Daniel Johnson | Claimed Off Waivers | Baltimore Orioles claimed CF Daniel Johnson off waivers from San Francisco Giants. |
| Aug 8 | Maverick Handley | Assigned | Baltimore Orioles sent C Maverick Handley on a rehab assignment to Norfolk Tides. |
| Aug 8 | Maverick Handley | Assigned | Baltimore Orioles sent C Maverick Handley on a rehab assignment to Norfolk Tides. |
| Aug 8 | Maverick Handley | Assigned | Baltimore Orioles sent C Maverick Handley on a rehab assignment to Norfolk Tides. |
| Aug 8 | Tyler O'Neill | Status Change | Baltimore Orioles placed RF Tyler O'Neill on the 10-day injured list retroactive to August 6, 2025. Right wrist inflammation. |
| Aug 8 | Colton Cowser | Status Change | Baltimore Orioles placed LF Colton Cowser on the 7-day injured list retroactive to August 7, 2025. Concussion. |
| Aug 8 | Jordyn Adams | Recalled | Baltimore Orioles recalled CF Jordyn Adams from Norfolk Tides. |
| Aug 8 | Ryan Mountcastle | Status Change | Baltimore Orioles activated 1B Ryan Mountcastle from the 60-day injured list. |
| Aug 8 | Greg Allen | Signed as Free Agent | Baltimore Orioles signed free agent CF Greg Allen. |
| Aug 8 | Vidal Bruján | Claimed Off Waivers | Atlanta Braves claimed 3B Vidal Bruján off waivers from Baltimore Orioles. |
| Aug 7 | Elvin Rodríguez | Optioned | Baltimore Orioles optioned RHP Elvin Rodríguez to Norfolk Tides. |
| Aug 7 | Rico Garcia | Status Change | Baltimore Orioles activated RHP Rico Garcia. |
| Aug 5 | Tyler Wells | Assigned | Baltimore Orioles sent RHP Tyler Wells on a rehab assignment to Norfolk Tides. |
| Aug 5 | Terrin Vavra | Outrighted | Baltimore Orioles sent 2B Terrin Vavra outright to Norfolk Tides. |
| Aug 5 | Rico Garcia | Claimed Off Waivers | Baltimore Orioles claimed RHP Rico Garcia off waivers from New York Mets. |
| Aug 4 | Jordyn Adams | Optioned | Baltimore Orioles optioned CF Jordyn Adams to Norfolk Tides. |
| Aug 4 | Houston Roth | Optioned | Baltimore Orioles optioned RHP Houston Roth to Norfolk Tides. |
| Aug 4 | Cade Povich | Status Change | Baltimore Orioles activated LHP Cade Povich from the 15-day injured list. |
| Aug 4 | Vidal Bruján | Status Change | Baltimore Orioles activated 3B Vidal Bruján. |
| Aug 3 | Carson Ragsdale | Optioned | Baltimore Orioles optioned RHP Carson Ragsdale to Norfolk Tides. |
| Aug 3 | Carson Ragsdale | Claimed Off Waivers | Baltimore Orioles claimed RHP Carson Ragsdale off waivers from San Francisco Giants. |
| Aug 3 | Vidal Bruján | Claimed Off Waivers | Baltimore Orioles claimed 3B Vidal Bruján off waivers from Chicago Cubs. |
| Aug 3 | Kyle Bradish | Assigned | Baltimore Orioles sent RHP Kyle Bradish on a rehab assignment to Norfolk Tides. |
| Aug 3 | Terrin Vavra | Designated for Assignment | Baltimore Orioles designated 2B Terrin Vavra for assignment. |
| Aug 3 | Ryan Noda | Recalled | Baltimore Orioles recalled 1B Ryan Noda from Norfolk Tides. |
| Aug 2 | Ryan Noda | Claimed Off Waivers | Baltimore Orioles claimed 1B Ryan Noda off waivers from Chicago White Sox. |
| Aug 2 | Dietrich Enns | Status Change | Baltimore Orioles activated LHP Dietrich Enns. |
| Aug 1 | Terrin Vavra | Selected | Baltimore Orioles selected the contract of 2B Terrin Vavra from Chesapeake Baysox. |
| Aug 1 | Jordyn Adams | Selected | Baltimore Orioles selected the contract of CF Jordyn Adams from Chesapeake Baysox. |
| Aug 1 | Luis Vázquez | Recalled | Baltimore Orioles recalled SS Luis Vázquez from Norfolk Tides. |
| Jul 31 | Jeremiah Jackson | Recalled | Baltimore Orioles recalled 2B Jeremiah Jackson from Norfolk Tides. |
| Jul 31 | Yaramil Hiraldo | Recalled | Baltimore Orioles recalled RHP Yaramil Hiraldo from Norfolk Tides. |
| Jul 31 | Jacob Stallings | Outrighted | Baltimore Orioles sent C Jacob Stallings outright to Norfolk Tides. |
| Jul 31 | Dietrich Enns | Trade | Detroit Tigers traded LHP Dietrich Enns to Baltimore Orioles for cash. |
| Jul 31 | Charlie Morton | Trade | Baltimore Orioles traded RHP Charlie Morton to Detroit Tigers for LHP Micah Ashman. |
| Jul 31 | Tanner Smith | Trade | Baltimore Orioles traded 1B Ryan O'Hearn, RF Ramón Laureano and cash to San Diego Padres for LHP Boston Bateman, RHP Tyson Neighbors, RHP Tanner Smith, SS Brandon Butterworth, SS Cobb Hightower and 1B Victor Figueroa. |
| Jul 31 | Cedric Mullins | Trade | Baltimore Orioles traded CF Cedric Mullins to New York Mets for RHP Raimon Gomez, RHP Anthony Nunez and RHP Chandler Marsh. |
| Jul 31 | Brandon Young | Recalled | Baltimore Orioles recalled RHP Brandon Young from Chesapeake Baysox. |
| Jul 31 | Zach Eflin | Status Change | Baltimore Orioles placed RHP Zach Eflin on the 15-day injured list retroactive to July 29, 2025. Low back discomfort. |
| Jul 31 | Andrew Kittredge | Trade | Baltimore Orioles traded RHP Andrew Kittredge to Chicago Cubs for SS Wilfri De La Cruz. |
| Jul 31 | Twine Palmer | Trade | Baltimore Orioles traded 3B Ramón Urías to Houston Astros for RHP Twine Palmer. |
| Jul 30 | Tyler Wells | Assigned | Baltimore Orioles sent RHP Tyler Wells on a rehab assignment to Chesapeake Baysox. |
| Jul 30 | Tyler Wells | Assigned | Baltimore Orioles sent RHP Tyler Wells on a rehab assignment to Chesapeake Baysox. |
| Jul 30 | Tyler Wells | Assigned | Baltimore Orioles sent RHP Tyler Wells on a rehab assignment to Chesapeake Baysox. |
| Jul 30 | Brandon Young | Optioned | Baltimore Orioles optioned RHP Brandon Young to Chesapeake Baysox. |
| Jul 29 | Brandon Young | Status Change | Baltimore Orioles activated RHP Brandon Young. |
| Jul 29 | Yaramil Hiraldo | Optioned | Baltimore Orioles optioned RHP Yaramil Hiraldo to Norfolk Tides. |
| Jul 29 | Houston Roth | Selected | Baltimore Orioles selected the contract of RHP Houston Roth from Chesapeake Baysox. |
| Jul 29 | Elvin Rodríguez | Recalled | Baltimore Orioles recalled RHP Elvin Rodríguez from Chesapeake Baysox. |
| Jul 29 | — | Trade | Baltimore Orioles traded RHP Seranthony Domínguez and cash to Toronto Blue Jays for RHP Juaron Watts-Brown. |
| Jul 29 | Kyle Bradish | Assigned | Baltimore Orioles sent RHP Kyle Bradish on a rehab assignment to Chesapeake Baysox. |
| Jul 29 | Jakson Reetz | Signed as Free Agent | Baltimore Orioles signed free agent C Jakson Reetz to a minor league contract. |
| Jul 29 | Colin Selby | Status Change | Baltimore Orioles placed RHP Colin Selby on the 15-day injured list. Left hamstring strain. |
| Jul 29 | Yaramil Hiraldo | Recalled | Baltimore Orioles recalled RHP Yaramil Hiraldo from Norfolk Tides. |
| Jul 29 | Brandon Young | Recalled | Baltimore Orioles recalled RHP Brandon Young from Aberdeen IronBirds. |
| Jul 28 | Adley Rutschman | Status Change | Baltimore Orioles activated C Adley Rutschman from the 10-day injured list. |
| Jul 28 | Seranthony Domínguez | Status Change | RHP Seranthony Domínguez roster status changed by Baltimore Orioles. |
| Jul 28 | Todd Kniebbe | Signed as Free Agent | Baltimore Orioles signed free agent RHP Todd Kniebbe to a minor league contract. |
| Jul 28 | Brayan Orrantia | Signed | Baltimore Orioles signed RHP Brayan Orrantia. |
| Jul 28 | Keegan Akin | Status Change | Baltimore Orioles activated LHP Keegan Akin from the 15-day injured list. |
| Jul 28 | Jacob Stallings | Designated for Assignment | Baltimore Orioles designated C Jacob Stallings for assignment. |
| Jul 28 | Adley Rutschman | Status Change | Baltimore Orioles activated C Adley Rutschman from the 10-day injured list. |
| Jul 28 | Yaramil Hiraldo | Optioned | Baltimore Orioles optioned RHP Yaramil Hiraldo to Norfolk Tides. |
| Jul 26 | Connor Gehr | Signed | Baltimore Orioles signed RHP Connor Gehr. |
| Jul 26 | Denton Biller | Signed | Baltimore Orioles signed RHP Denton Biller. |
| Jul 26 | Jose Espada | Signed as Free Agent | Baltimore Orioles signed free agent RHP Jose Espada to a minor league contract. |
| Jul 26 | Yaramil Hiraldo | Recalled | Baltimore Orioles recalled RHP Yaramil Hiraldo from Norfolk Tides. |
| Jul 26 | Jeremiah Jackson | Optioned | Baltimore Orioles optioned 2B Jeremiah Jackson to Norfolk Tides. |
| Jul 25 | Chadwick Tromp | Outrighted | Baltimore Orioles sent C Chadwick Tromp outright to Norfolk Tides. |
| Jul 25 | Jeremiah Jackson | Selected | Baltimore Orioles selected the contract of 2B Jeremiah Jackson from Norfolk Tides. |
| Jul 25 | Gregory Soto | Trade | Baltimore Orioles traded LHP Gregory Soto to New York Mets for RHP Wellington Aracena and RHP Cameron Foster. |
| Jul 24 | Ryan Mountcastle | Assigned | Baltimore Orioles sent 1B Ryan Mountcastle on a rehab assignment to Norfolk Tides. |
| Jul 24 | Kyle Bradish | Assigned | Baltimore Orioles sent RHP Kyle Bradish on a rehab assignment to Aberdeen IronBirds. |
| Jul 24 | Brayden Smith | Signed | Baltimore Orioles signed 2B Brayden Smith. |
| Jul 24 | Braeden Sloan | Signed | Baltimore Orioles signed LHP Braeden Sloan. |
| Jul 24 | Isaac Silva | Signed as Free Agent | Baltimore Orioles signed free agent RHP Isaac Silva to a minor league contract. |
| Jul 24 | J.D. Hennen | Signed as Free Agent | Baltimore Orioles signed free agent RHP J.D. Hennen to a minor league contract. |
| Jul 24 | Joephillip Guzman | Signed as Free Agent | Baltimore Orioles signed free agent 2B Joephillip Guzman to a minor league contract. |
| Jul 24 | Holden deJong | Signed | Baltimore Orioles signed LHP Holden deJong. |
| Jul 24 | KK Clark | Signed | Baltimore Orioles signed RHP KK Clark. |
| Jul 24 | Kyle Bradish | Assigned | Baltimore Orioles sent RHP Kyle Bradish on a rehab assignment to Aberdeen IronBirds. |
| Jul 24 | Ryan Mountcastle | Assigned | Baltimore Orioles sent 1B Ryan Mountcastle on a rehab assignment to Norfolk Tides. |
| Jul 24 | Slater de Brun | Signed | Baltimore Orioles signed OF Slater de Brun. |
| Jul 24 | Kade Strowd | Recalled | Baltimore Orioles recalled RHP Kade Strowd from Norfolk Tides. |
| Jul 24 | Félix Bautista | Status Change | Baltimore Orioles placed RHP Félix Bautista on the 15-day injured list retroactive to July 21, 2025. Right shoulder discomfort. |
| Jul 23 | Keegan Akin | Assigned | Baltimore Orioles sent LHP Keegan Akin on a rehab assignment to Norfolk Tides. |
| Jul 23 | Vinny Nittoli | Signed as Free Agent | Baltimore Orioles signed free agent RHP Vinny Nittoli to a minor league contract. |
| Jul 23 | Keegan Akin | Assigned | Baltimore Orioles sent LHP Keegan Akin on a rehab assignment to Norfolk Tides. |
| Jul 23 | Brandon Young | Optioned | Baltimore Orioles optioned RHP Brandon Young to Norfolk Tides. |
| Jul 23 | Maverick Handley | Status Change | Baltimore Orioles transferred C Maverick Handley from the 7-day injured list to the 10-day injured list. |
| Jul 23 | Zach Eflin | Status Change | Baltimore Orioles activated RHP Zach Eflin from the 15-day injured list. |
| Jul 22 | Luis Vázquez | Optioned | Baltimore Orioles optioned SS Luis Vázquez to Norfolk Tides. |
| Jul 22 | Dylan Carlson | Recalled | Baltimore Orioles recalled LF Dylan Carlson from Norfolk Tides. |
| Jul 22 | Chadwick Tromp | Assigned | Baltimore Orioles sent C Chadwick Tromp on a rehab assignment to Aberdeen IronBirds. |
| Jul 22 | Adley Rutschman | Assigned | Baltimore Orioles sent C Adley Rutschman on a rehab assignment to Norfolk Tides. |
| Jul 21 | Keegan Akin | Assigned | Baltimore Orioles sent LHP Keegan Akin on a rehab assignment to FCL Orioles. |
| Jul 21 | Cam Lee | Signed | Baltimore Orioles signed OF Cam Lee. |
| Jul 21 | Caden Hunter | Signed | Baltimore Orioles signed LHP Caden Hunter. |
| Jul 21 | Jaiden Lo Re | Signed | Baltimore Orioles signed SS Jaiden Lo Re. |
| Jul 21 | RJ Austin | Signed | Baltimore Orioles signed OF RJ Austin. |
| Jul 21 | Colin Yeaman | Signed | Baltimore Orioles signed SS Colin Yeaman. |
| Jul 21 | Keegan Akin | Assigned | Baltimore Orioles sent LHP Keegan Akin on a rehab assignment to FCL Orioles. |
| Jul 19 | Joismer Sandoval | Signed as Free Agent | Baltimore Orioles signed free agent RHP Joismer Sandoval to a minor league contract. |
| Jul 19 | Cade Povich | Assigned | Baltimore Orioles sent LHP Cade Povich on a rehab assignment to Norfolk Tides. |
| Jul 19 | JT Quinn | Signed | Baltimore Orioles signed RHP JT Quinn. |
| Jul 19 | Joseph Dzierwa | Signed | Baltimore Orioles signed LHP Joseph Dzierwa. |
| Jul 19 | Wehiwa Aloy | Signed | Baltimore Orioles signed SS Wehiwa Aloy. |
| Jul 18 | Caden Bodine | Signed | Baltimore Orioles signed C Caden Bodine. |
| Jul 18 | Chadwick Tromp | Assigned | Baltimore Orioles sent C Chadwick Tromp on a rehab assignment to Delmarva Shorebirds. |
| Jul 18 | Zach Eflin | Assigned | Baltimore Orioles sent RHP Zach Eflin on a rehab assignment to FCL Orioles. |
| Jul 18 | Zach Eflin | Assigned | Baltimore Orioles sent RHP Zach Eflin on a rehab assignment to FCL Orioles. |
| Jul 18 | Corbin Martin | Signed as Free Agent | Baltimore Orioles signed free agent RHP Corbin Martin. |
| Jul 18 | Ike Irish | Signed | Baltimore Orioles signed C Ike Irish. |
| Jul 17 | Corbin Martin | Declared Free Agency | RHP Corbin Martin elected free agency. |
| Jul 16 | Hunter Allen | Signed | Baltimore Orioles signed RHP Hunter Allen. |
| Jul 16 | Elvin Rodríguez | Optioned | Baltimore Orioles optioned RHP Elvin Rodriguez to Norfolk Tides. |
| Jul 16 | Elvin Rodríguez | Claimed Off Waivers | Baltimore Orioles claimed RHP Elvin Rodriguez off waivers from Milwaukee Brewers. |
| Jul 15 | Kailen Hamson | Signed | Baltimore Orioles signed LHP Kailen Hamson. |
| Jul 15 | Dalton Neuschwander | Signed | Baltimore Orioles signed RHP Dalton Neuschwander. |
| Jul 14 | David Bañuelos | Outrighted | Baltimore Orioles sent C David Bañuelos outright to Norfolk Tides. |
| Jul 13 | Cade Povich | Assigned | Baltimore Orioles sent LHP Cade Povich on a rehab assignment to Aberdeen IronBirds. |
| Jul 13 | Cade Povich | Assigned | Baltimore Orioles sent LHP Cade Povich on a rehab assignment to Aberdeen IronBirds. |
| Jul 13 | David Bañuelos | Recalled | Baltimore Orioles recalled C David Bañuelos from Norfolk Tides. |
| Jul 13 | Scott Blewett | Status Change | Baltimore Orioles placed RHP Scott Blewett on the 15-day injured list. Right elbow discomfort. |
| Jul 13 | Zach Eflin | Assigned | Baltimore Orioles sent RHP Zach Eflin on a rehab assignment to Chesapeake Baysox. |
| Jul 13 | Corbin Martin | Designated for Assignment | Baltimore Orioles designated RHP Corbin Martin for assignment. |
| Jul 13 | Grant Wolfram | Recalled | Baltimore Orioles recalled LHP Grant Wolfram from Norfolk Tides. |
| Jul 11 | Grant Wolfram | Optioned | Baltimore Orioles optioned LHP Grant Wolfram to Norfolk Tides. |
| Jul 10 | David Bañuelos | Optioned | Baltimore Orioles optioned C David Bañuelos to Norfolk Tides. |
| Jul 10 | Colin Selby | Recalled | Baltimore Orioles recalled RHP Colin Selby from Norfolk Tides. |
| Jul 10 | David Bañuelos | Selected | Baltimore Orioles selected the contract of C David Bañuelos from Norfolk Tides. |
| Jul 10 | — | Trade | Baltimore Orioles traded RHP Bryan Baker to Tampa Bay Rays for Draft Pick. |
| Jul 10 | Grant Wolfram | Recalled | Baltimore Orioles recalled LHP Grant Wolfram from Norfolk Tides. |
| Jul 7 | Luis F. Castillo | Outrighted | Baltimore Orioles sent RHP Luis F. Castillo outright to Norfolk Tides. |
| Jul 6 | Alex Jackson | Selected | Baltimore Orioles selected the contract of C Alex Jackson from Norfolk Tides. |
| Jul 6 | — | Trade | New York Yankees traded C Alex Jackson to Baltimore Orioles for Player To Be Named Later and cash. |
| Jul 4 | Emmanuel Rivera | Outrighted | Baltimore Orioles sent 3B Emmanuel Rivera outright to Norfolk Tides. |
| Jul 4 | Matt Bowman | Outrighted | Baltimore Orioles sent RHP Matt Bowman outright to Norfolk Tides. |
| Jul 4 | Tyler O'Neill | Status Change | Baltimore Orioles activated RF Tyler O'Neill from the 10-day injured list. |
| Jul 3 | Dylan Carlson | Optioned | Baltimore Orioles optioned LF Dylan Carlson to Norfolk Tides. |
| Jul 2 | José Barrero | Signed as Free Agent | Baltimore Orioles signed free agent SS Jose Barrero to a minor league contract. |
| Jul 2 | Keegan Akin | Status Change | Baltimore Orioles placed LHP Keegan Akin on the 15-day injured list retroactive to July 1, 2025. Left shoulder inflammation. |
| Jul 2 | Matt Bowman | Designated for Assignment | Baltimore Orioles designated RHP Matt Bowman for assignment. |
| Jul 2 | Corbin Martin | Selected | Baltimore Orioles selected the contract of RHP Corbin Martin from Norfolk Tides. |
| Jul 2 | Yennier Cano | Recalled | Baltimore Orioles recalled RHP Yennier Cano from Norfolk Tides. |
| Jul 1 | Tyler O'Neill | Assigned | Baltimore Orioles sent RF Tyler O'Neill on a rehab assignment to Norfolk Tides. |
| Jul 1 | Kyle Tyler | Declared Free Agency | RHP Kyle Tyler elected free agency. |
| Jul 1 | Emmanuel Rivera | Designated for Assignment | Baltimore Orioles designated 3B Emmanuel Rivera for assignment. |
| Jul 1 | Chadwick Tromp | Status Change | Baltimore Orioles placed C Chadwick Tromp on the 10-day injured list. Lower back strain. |
| Jul 1 | Jacob Stallings | Selected | Baltimore Orioles selected the contract of C Jacob Stallings from Norfolk Tides. |
| Jul 1 | Dylan Carlson | Recalled | Baltimore Orioles recalled LF Dylan Carlson from Norfolk Tides. |
| Jun 30 | Anderson Reyes | Signed as Free Agent | Baltimore Orioles signed free agent RHP Anderson Reyes to a minor league contract. |
| Jun 30 | David Medina | Signed as Free Agent | Baltimore Orioles signed free agent RHP David Medina to a minor league contract. |
| Jun 30 | Zach Eflin | Status Change | Baltimore Orioles placed RHP Zach Eflin on the 15-day injured list retroactive to June 29, 2025. Low back discomfort. |
| Jun 30 | Brandon Young | Recalled | Baltimore Orioles recalled RHP Brandon Young from Norfolk Tides. |
| Jun 29 | Kade Strowd | Optioned | Baltimore Orioles optioned RHP Kade Strowd to Norfolk Tides. |
| Jun 29 | Luis F. Castillo | Designated for Assignment | Baltimore Orioles designated RHP Luis F. Castillo for assignment. |
| Jun 29 | Matt Bowman | Selected | Baltimore Orioles selected the contract of RHP Matt Bowman from Norfolk Tides. |
| Jun 28 | Kyle Tyler | Designated for Assignment | Baltimore Orioles designated RHP Kyle Tyler for assignment. |
| Jun 28 | Kyle Tyler | Designated for Assignment | Baltimore Orioles designated RHP Kyle Tyler for assignment. |
| Jun 28 | Emmanuel Rivera | Selected | Baltimore Orioles selected the contract of 3B Emmanuel Rivera from Norfolk Tides. |
| Jun 28 | Dylan Carlson | Optioned | Baltimore Orioles optioned LF Dylan Carlson to Norfolk Tides. |
| Jun 27 | Edgar Benitez | Signed as Free Agent | Baltimore Orioles signed free agent RHP Edgar Benitez to a minor league contract. |
| Jun 27 | Brandon Young | Optioned | Baltimore Orioles optioned RHP Brandon Young to Norfolk Tides. |
| Jun 27 | Kade Strowd | Recalled | Baltimore Orioles recalled RHP Kade Strowd from Norfolk Tides. |
| Jun 26 | Cade Povich | Assigned | Baltimore Orioles sent LHP Cade Povich on a rehab assignment to Norfolk Tides. |
| Jun 26 | Cade Povich | Assigned | Baltimore Orioles sent LHP Cade Povich on a rehab assignment to Norfolk Tides. |
| Jun 25 | Jorge Mateo | Assigned | Baltimore Orioles sent SS Jorge Mateo on a rehab assignment to Norfolk Tides. |
| Jun 25 | Yaramil Hiraldo | Optioned | Baltimore Orioles optioned RHP Yaramil Hiraldo to Norfolk Tides. |
| Jun 25 | Brandon Young | Recalled | Baltimore Orioles recalled RHP Brandon Young from Norfolk Tides. |
| Jun 24 | Tyler O'Neill | Assigned | Baltimore Orioles sent RF Tyler O'Neill on a rehab assignment to Chesapeake Baysox. |
| Jun 24 | Jacob Stallings | Signed as Free Agent | Baltimore Orioles signed free agent C Jacob Stallings to a minor league contract. |
| Jun 23 | Ryan Mountcastle | Status Change | Baltimore Orioles transferred 1B Ryan Mountcastle from the 10-day injured list to the 60-day injured list. Right hamstring strain. |
| Jun 23 | Maverick Handley | Status Change | Baltimore Orioles placed C Maverick Handley on the 7-day injured list. Concussion. |
| Jun 23 | Chadwick Tromp | Selected | Baltimore Orioles selected the contract of C Chadwick Tromp from Norfolk Tides. |
| Jun 22 | Tyler O'Neill | Assigned | Baltimore Orioles sent RF Tyler O'Neill on a rehab assignment to Aberdeen IronBirds. |
| Jun 22 | Yennier Cano | Optioned | Baltimore Orioles optioned RHP Yennier Cano to Norfolk Tides. |
| Jun 22 | Yaramil Hiraldo | Recalled | Baltimore Orioles recalled RHP Yaramil Hiraldo from Norfolk Tides. |
| Jun 21 | Adley Rutschman | Status Change | Baltimore Orioles placed C Adley Rutschman on the 10-day injured list retroactive to June 20, 2025. Left oblique strain. |
| Jun 21 | Maverick Handley | Recalled | Baltimore Orioles recalled C Maverick Handley from Norfolk Tides. |
| Jun 20 | Luis Perdomo | Signed as Free Agent | Baltimore Orioles signed free agent C Luis Perdomo to a minor league contract. |
| Jun 19 | Luis Sierra | Signed as Free Agent | Baltimore Orioles signed free agent RHP Luis Sierra to a minor league contract. |
| Jun 19 | Waner Perez | Signed as Free Agent | Baltimore Orioles signed free agent RHP Waner Perez to a minor league contract. |
| Jun 19 | Julio Ozoria | Signed as Free Agent | Baltimore Orioles signed free agent RHP Julio Ozoria to a minor league contract. |
| Jun 18 | Luis Andujar | Signed as Free Agent | Baltimore Orioles signed free agent RHP Luis Andujar to a minor league contract. |
| Jun 18 | Grant Wolfram | Optioned | Baltimore Orioles optioned LHP Grant Wolfram to Norfolk Tides. |
| Jun 18 | Trevor Rogers | Recalled | Baltimore Orioles recalled LHP Trevor Rogers from Norfolk Tides. |
| Jun 17 | Colin Selby | Optioned | Baltimore Orioles optioned RHP Colin Selby to Norfolk Tides. |
| Jun 17 | Grant Wolfram | Recalled | Baltimore Orioles recalled LHP Grant Wolfram from Norfolk Tides. |
| Jun 16 | Cade Povich | Status Change | Baltimore Orioles placed LHP Cade Povich on the 15-day injured list. Left hip inflammation. |
| Jun 16 | Colin Selby | Recalled | Baltimore Orioles recalled RHP Colin Selby from Norfolk Tides. |
| Jun 15 | Kyle Tyler | Claimed Off Waivers | Baltimore Orioles claimed RHP Kyle Tyler off waivers from Philadelphia Phillies. |
| Jun 14 | Gary Sánchez | Status Change | Baltimore Orioles activated C Gary Sánchez from the 10-day injured list. |
| Jun 14 | Maverick Handley | Optioned | Baltimore Orioles optioned C Maverick Handley to Norfolk Tides. |
| Jun 12 | Alberto Arias | Signed as Free Agent | Baltimore Orioles signed free agent LHP Alberto Arias to a minor league contract. |
| Jun 12 | Emmanuel Rivera | Outrighted | Baltimore Orioles sent 3B Emmanuel Rivera outright to Norfolk Tides. |
| Jun 11 | Junior Medina | Signed as Free Agent | Baltimore Orioles signed free agent RHP Junior Medina to a minor league contract. |
| Jun 11 | Sayer Diederich | Signed as Free Agent | Baltimore Orioles signed free agent LHP Sayer Diederich to a minor league contract. |
| Jun 10 | Matt Bowman | Outrighted | Baltimore Orioles sent RHP Matt Bowman outright to Norfolk Tides. |
| Jun 10 | Jorge Mateo | Status Change | Baltimore Orioles placed SS Jorge Mateo on the 10-day injured list retroactive to June 7, 2025. Left elbow inflammation. |
| Jun 10 | Luis Vázquez | Selected | Baltimore Orioles selected the contract of SS Luis Vázquez from Norfolk Tides. |
| Jun 10 | Jordyn Adams | Outrighted | Baltimore Orioles sent CF Jordyn Adams outright to Norfolk Tides. |
| Jun 10 | Heston Kjerstad | Optioned | Baltimore Orioles optioned LF Heston Kjerstad to Norfolk Tides. |
| Jun 10 | Emmanuel Rivera | Designated for Assignment | Baltimore Orioles designated 3B Emmanuel Rivera for assignment. |
| Jun 10 | Cedric Mullins | Status Change | Baltimore Orioles activated CF Cedric Mullins from the 10-day injured list. |
| Jun 10 | Jordan Westburg | Status Change | Baltimore Orioles activated 3B Jordan Westburg from the 10-day injured list. |
| Jun 8 | Scott Blewett | Status Change | Baltimore Orioles activated RHP Scott Blewett. |
| Jun 8 | Matt Bowman | Designated for Assignment | Baltimore Orioles designated RHP Matt Bowman for assignment. |
| Jun 7 | Jorge Mateo | Status Change | Baltimore Orioles placed SS Jorge Mateo on the 60-day injured list. |
| Jun 6 | Tyler O'Neill | Assigned | Baltimore Orioles sent RF Tyler O'Neill on a rehab assignment to Norfolk Tides. |
| Jun 6 | Devin Kirby-Williams | Signed as Free Agent | Baltimore Orioles signed free agent RHP Devin Kirby to a minor league contract. |
| Jun 6 | Scott Blewett | Status Change | RHP Scott Blewett roster status changed by Baltimore Orioles. |
| Jun 6 | Scott Blewett | Status Change | Baltimore Orioles activated RHP Scott Blewett. |
| Jun 6 | Scott Blewett | Status Change | Baltimore Orioles activated RHP Scott Blewett. |
| Jun 6 | Tyler O'Neill | Assigned | Baltimore Orioles sent RF Tyler O'Neill on a rehab assignment to Norfolk Tides. |
| Jun 6 | Jordyn Adams | Designated for Assignment | Baltimore Orioles designated CF Jordyn Adams for assignment. |
| Jun 6 | — | Trade | Atlanta Braves traded RHP Scott Blewett to Baltimore Orioles for cash. |
| Jun 6 | Ramón Laureano | Status Change | Baltimore Orioles activated LF Ramón Laureano from the 10-day injured list. |
| Jun 5 | Cooper Hummel | Outrighted | Baltimore Orioles sent RF Cooper Hummel outright to Norfolk Tides. |
| Jun 4 | Ramón Laureano | Assigned | Baltimore Orioles sent LF Ramón Laureano on a rehab assignment to Norfolk Tides. |
| Jun 4 | Gary Sánchez | Assigned | Baltimore Orioles sent C Gary Sánchez on a rehab assignment to Norfolk Tides. |
| Jun 4 | Ramón Laureano | Assigned | Baltimore Orioles sent LF Ramón Laureano on a rehab assignment to Norfolk Tides. |
| Jun 3 | Chadwick Tromp | Signed as Free Agent | Baltimore Orioles signed free agent C Chadwick Tromp to a minor league contract. |
| Jun 3 | Naykel Cruz | Signed as Free Agent | Baltimore Orioles signed free agent LHP Naykel Cruz to a minor league contract. |
| Jun 2 | Cooper Hummel | Designated for Assignment | Baltimore Orioles designated RF Cooper Hummel for assignment. |
| Jun 2 | Colton Cowser | Status Change | Baltimore Orioles activated LF Colton Cowser from the 60-day injured list. |
| Jun 2 | Chadwick Tromp | Outrighted | Baltimore Orioles sent C Chadwick Tromp outright to Norfolk Tides. |
| May 31 | Cionel Pérez | Outrighted | Baltimore Orioles sent LHP Cionel Pérez outright to Norfolk Tides. |
| May 31 | Ryan Mountcastle | Status Change | Baltimore Orioles placed 1B Ryan Mountcastle on the 10-day injured list. Right hamstring strain. |
| May 31 | Chadwick Tromp | Designated for Assignment | Baltimore Orioles designated C Chadwick Tromp for assignment. |
| May 31 | Jordyn Adams | Selected | Baltimore Orioles selected the contract of RF Jordyn Adams from Norfolk Tides. |
| May 31 | Coby Mayo | Recalled | Baltimore Orioles recalled 3B Coby Mayo from Norfolk Tides. |
| May 30 | Cody Poteet | Status Change | Baltimore Orioles transferred RHP Cody Poteet from the 15-day injured list to the 60-day injured list. Right shoulder inflammation. |
| May 30 | Cedric Mullins | Status Change | Baltimore Orioles placed CF Cedric Mullins on the 10-day injured list retroactive to May 29, 2025. Right hamstring strain. |
| May 30 | Cooper Hummel | Signed as Free Agent | Baltimore Orioles signed free agent LF Cooper Hummel. |
| May 29 | Cooper Hummel | Outrighted | Baltimore Orioles sent LF Cooper Hummel outright to Norfolk Tides. |
| May 29 | Jordan Westburg | Assigned | Baltimore Orioles sent 3B Jordan Westburg on a rehab assignment to Norfolk Tides. |
| May 29 | Colton Cowser | Assigned | Baltimore Orioles sent LF Colton Cowser on a rehab assignment to Norfolk Tides. |
| May 28 | Angel De Jesus | Signed as Free Agent | Baltimore Orioles signed free agent RHP Angel De Jesus to a minor league contract. |
| May 28 | Matt Bowman | Selected | Baltimore Orioles selected the contract of RHP Matt Bowman from Norfolk Tides. |
| May 28 | Yaramil Hiraldo | Optioned | Baltimore Orioles optioned RHP Yaramil Hiraldo to Norfolk Tides. |
| May 27 | Terrin Vavra | Outrighted | Baltimore Orioles sent 2B Terrin Vavra outright to Norfolk Tides. |
| May 26 | Chadwick Tromp | Selected | Baltimore Orioles selected the contract of C Chadwick Tromp from Norfolk Tides. |
| May 26 | Cooper Hummel | Designated for Assignment | Baltimore Orioles designated LF Cooper Hummel for assignment. |
| May 25 | Cooper Hummel | Signed as Free Agent | Baltimore Orioles signed free agent LF Cooper Hummel. |
| May 25 | Terrin Vavra | Designated for Assignment | Baltimore Orioles designated 2B Terrin Vavra for assignment. |
| May 25 | Trevor Rogers | Optioned | Baltimore Orioles optioned LHP Trevor Rogers to Norfolk Tides. |
| May 24 | Cionel Pérez | Designated for Assignment | Baltimore Orioles designated LHP Cionel Pérez for assignment. |
| May 24 | Yaramil Hiraldo | Selected | Baltimore Orioles selected the contract of RHP Yaramil Hiraldo from Norfolk Tides. |
| May 24 | Trevor Rogers | Recalled | Baltimore Orioles recalled LHP Trevor Rogers from Norfolk Tides. |
| May 24 | Terrin Vavra | Selected | Baltimore Orioles selected the contract of 2B Terrin Vavra from Norfolk Tides. |
| May 24 | Ramón Laureano | Status Change | Baltimore Orioles placed LF Ramón Laureano on the 10-day injured list retroactive to May 21, 2025. Left ankle sprain. |
| May 22 | Colton Cowser | Assigned | Baltimore Orioles sent LF Colton Cowser on a rehab assignment to Aberdeen IronBirds. |
| May 22 | Edwin Marte | Signed as Free Agent | Baltimore Orioles signed free agent RHP Edwin Marte to a minor league contract. |
| May 22 | Colton Cowser | Assigned | Baltimore Orioles sent LF Colton Cowser on a rehab assignment to Aberdeen IronBirds. |
| May 22 | Colton Cowser | Assigned | Baltimore Orioles sent LF Colton Cowser on a rehab assignment to Aberdeen IronBirds. |
| May 21 | Carlos Virla | Signed as Free Agent | Baltimore Orioles signed free agent RHP Carlos Virla to a minor league contract. |
| May 21 | Andrew Kittredge | Status Change | Baltimore Orioles activated RHP Andrew Kittredge from the 15-day injured list. |
| May 21 | Chayce McDermott | Optioned | Baltimore Orioles optioned RHP Chayce McDermott to Norfolk Tides. |
| May 20 | Kyle Gibson | Released | Baltimore Orioles released RHP Kyle Gibson. |
| May 20 | Kade Strowd | Optioned | Baltimore Orioles optioned RHP Kade Strowd to Norfolk Tides. |
| May 20 | Chayce McDermott | Recalled | Baltimore Orioles recalled RHP Chayce McDermott from Norfolk Tides. |
| May 18 | Dylan Carlson | Recalled | Baltimore Orioles recalled LF Dylan Carlson from Norfolk Tides. |
| May 18 | Kade Strowd | Recalled | Baltimore Orioles recalled RHP Kade Strowd from Norfolk Tides. |
| May 18 | Kyle Gibson | Designated for Assignment | Baltimore Orioles designated RHP Kyle Gibson for assignment. |
| May 18 | Tyler O'Neill | Status Change | Baltimore Orioles placed RF Tyler O'Neill on the 10-day injured list retroactive to May 16, 2025. Left shoulder impingement. |
| May 16 | Deimer Rodriguez | Signed as Free Agent | Baltimore Orioles signed free agent Deimer Rodriguez to a minor league contract. |
| May 15 | Chayce McDermott | Optioned | Baltimore Orioles optioned RHP Chayce McDermott to Norfolk Tides. |
| May 14 | Asael Arias | Signed as Free Agent | Baltimore Orioles signed free agent RHP Asael Arias to a minor league contract. |
| May 14 | Chayce McDermott | Recalled | Baltimore Orioles recalled RHP Chayce McDermott from Norfolk Tides. |
| May 14 | Dylan Carlson | Optioned | Baltimore Orioles optioned LF Dylan Carlson to Norfolk Tides. |
| May 14 | Ramón Urías | Status Change | Baltimore Orioles activated 3B Ramón Urías from the 10-day injured list. |
| May 11 | Trevor Rogers | Optioned | Baltimore Orioles optioned LHP Trevor Rogers to Norfolk Tides. |
| May 11 | Colin Selby | Optioned | Baltimore Orioles optioned RHP Colin Selby to Norfolk Tides. |
| May 11 | Zach Eflin | Status Change | Baltimore Orioles activated RHP Zach Eflin from the 15-day injured list. |
| May 10 | Matt Bowman | Outrighted | Baltimore Orioles sent RHP Matt Bowman outright to Norfolk Tides. |
| May 9 | Walter Pennington | Outrighted | Baltimore Orioles sent LHP Walter Pennington outright to Norfolk Tides. |
| May 9 | Coby Mayo | Optioned | Baltimore Orioles optioned 3B Coby Mayo to Norfolk Tides. |
| May 9 | Tyler O'Neill | Status Change | Baltimore Orioles activated RF Tyler O'Neill from the 10-day injured list. |
| May 8 | Andrew Kittredge | Assigned | Baltimore Orioles sent RHP Andrew Kittredge on a rehab assignment to Norfolk Tides. |
| May 8 | Andrew Kittredge | Assigned | Baltimore Orioles sent RHP Andrew Kittredge on a rehab assignment to Norfolk Tides. |
| May 8 | Matt Bowman | Designated for Assignment | Baltimore Orioles designated RHP Matt Bowman for assignment. |
| May 8 | Colin Selby | Recalled | Baltimore Orioles recalled RHP Colin Selby from Norfolk Tides. |
| May 8 | Luis F. Castillo | Trade | Seattle Mariners traded RHP Luis F. Castillo to Baltimore Orioles for cash. |
| May 7 | Ezequiel Sosa | Signed as Free Agent | Baltimore Orioles signed free agent RHP Ezequiel Sosa to a minor league contract. |
| May 7 | Walter Pennington | Designated for Assignment | Baltimore Orioles designated LHP Walter Pennington for assignment. |
| May 6 | Tyler O'Neill | Assigned | Baltimore Orioles sent RF Tyler O'Neill on a rehab assignment to Norfolk Tides. |
| May 4 | Andrew Kittredge | Assigned | Baltimore Orioles sent RHP Andrew Kittredge on a rehab assignment to Aberdeen IronBirds. |
| May 4 | Zach Eflin | Assigned | Baltimore Orioles sent RHP Zach Eflin on a rehab assignment to Aberdeen IronBirds. |
| May 4 | Chayce McDermott | Optioned | Baltimore Orioles optioned RHP Chayce McDermott to Norfolk Tides. |
| May 4 | Chayce McDermott | Status Change | Baltimore Orioles activated RHP Chayce McDermott from the 15-day injured list. |
| May 3 | Ramón Urías | Status Change | Baltimore Orioles placed 3B Ramón Urías on the 10-day injured list retroactive to May 1, 2025. Right hamstring strain. |
| May 3 | Coby Mayo | Recalled | Baltimore Orioles recalled 3B Coby Mayo from Norfolk Tides. |
| May 3 | Chayce McDermott | Assigned | Baltimore Orioles sent RHP Chayce McDermott on a rehab assignment to Norfolk Tides. |
| Apr 29 | Trevor Rogers | Assigned | Baltimore Orioles sent LHP Trevor Rogers on a rehab assignment to Norfolk Tides. |
| Apr 29 | Kade Strowd | Optioned | Baltimore Orioles optioned RHP Kade Strowd to Norfolk Tides. |
| Apr 29 | Kyle Gibson | Recalled | Baltimore Orioles recalled RHP Kyle Gibson from Aberdeen IronBirds. |
| Apr 28 | Starlin Mieses | Signed as Free Agent | Baltimore Orioles signed free agent OF Starlin Mieses to a minor league contract. |
| Apr 28 | Gary Sánchez | Status Change | Baltimore Orioles placed C Gary Sánchez on the 10-day injured list. Right wrist inflammation. |
| Apr 28 | Grayson Rodriguez | Status Change | Baltimore Orioles transferred RHP Grayson Rodriguez from the 15-day injured list to the 60-day injured list. Right lat strain. |
| Apr 28 | Maverick Handley | Selected | Baltimore Orioles selected the contract of C Maverick Handley from Norfolk Tides. |
| Apr 28 | Emmanuel Rivera | Selected | Baltimore Orioles selected the contract of 3B Emmanuel Rivera from Norfolk Tides. |
| Apr 28 | Colton Cowser | Status Change | Baltimore Orioles transferred LF Colton Cowser from the 10-day injured list to the 60-day injured list. |
| Apr 28 | Jordan Westburg | Status Change | Baltimore Orioles placed 2B Jordan Westburg on the 10-day injured list retroactive to April 27, 2025. |
| Apr 28 | Walter Pennington | Claimed Off Waivers | Baltimore Orioles claimed LHP Walter Pennington off waivers from Texas Rangers. |
| Apr 28 | Grant Wolfram | Optioned | Baltimore Orioles optioned LHP Grant Wolfram to Norfolk Tides. |
| Apr 28 | Kade Strowd | Recalled | Baltimore Orioles recalled RHP Kade Strowd from Norfolk Tides. |
| Apr 27 | Chayce McDermott | Assigned | Baltimore Orioles sent RHP Chayce McDermott on a rehab assignment to Chesapeake Baysox. |
| Apr 27 | Chayce McDermott | Assigned | Baltimore Orioles sent RHP Chayce McDermott on a rehab assignment to Chesapeake Baysox. |
| Apr 27 | Colin Selby | Optioned | Baltimore Orioles optioned RHP Colin Selby to Norfolk Tides. |
| Apr 26 | Colin Selby | Recalled | Baltimore Orioles recalled RHP Colin Selby from Norfolk Tides. |
| Apr 26 | Grant Wolfram | Recalled | Baltimore Orioles recalled LHP Grant Wolfram from Norfolk Tides. |
| Apr 26 | Brandon Young | Optioned | Baltimore Orioles optioned RHP Brandon Young to Norfolk Tides. |
| Apr 26 | Tyler O'Neill | Status Change | Baltimore Orioles placed RF Tyler O'Neill on the 10-day injured list retroactive to April 24, 2025. Neck inflammation. |
| Apr 26 | Dylan Carlson | Recalled | Baltimore Orioles recalled LF Dylan Carlson from Norfolk Tides. |
| Apr 23 | Trevor Rogers | Assigned | Baltimore Orioles sent LHP Trevor Rogers on a rehab assignment to Chesapeake Baysox. |
| Apr 23 | Trevor Rogers | Assigned | Baltimore Orioles sent LHP Trevor Rogers on a rehab assignment to Chesapeake Baysox. |
| Apr 22 | Cody Poteet | Status Change | Baltimore Orioles placed RHP Cody Poteet on the 15-day injured list retroactive to April 21, 2025. Right shoulder inflammation. |
| Apr 22 | Brandon Young | Recalled | Baltimore Orioles recalled RHP Brandon Young from Norfolk Tides. |
| Apr 20 | Scott Blewett | Trade | Baltimore Orioles traded RHP Scott Blewett to Atlanta Braves for cash. |
| Apr 20 | Brandon Young | Optioned | Baltimore Orioles optioned RHP Brandon Young to Norfolk Tides. |
| Apr 20 | Cody Poteet | Recalled | Baltimore Orioles recalled RHP Cody Poteet from Norfolk Tides. |
| Apr 19 | Scott Blewett | Designated for Assignment | Baltimore Orioles designated RHP Scott Blewett for assignment. |
| Apr 19 | Brandon Young | Recalled | Baltimore Orioles recalled RHP Brandon Young from Aberdeen IronBirds. |
| Apr 16 | Seranthony Domínguez | Status Change | Baltimore Orioles activated RHP Seranthony Domínguez. |
| Apr 16 | Seranthony Domínguez | Status Change | Baltimore Orioles activated RHP Seranthony Domínguez. |
| Apr 16 | Dean Kremer | Number Change | RHP Dean Kremer changed number to 64. |
| Apr 16 | Keegan Akin | Number Change | LHP Keegan Akin changed number to 45. |
| Apr 16 | Cedric Mullins | Number Change | CF Cedric Mullins changed number to 31. |
| Apr 16 | Ryan Mountcastle | Number Change | 1B Ryan Mountcastle changed number to 6. |
| Apr 16 | Jorge Mateo | Number Change | 2B Jorge Mateo changed number to 3. |
| Apr 16 | Cionel Pérez | Number Change | LHP Cionel Pérez changed number to 58. |
| Apr 16 | Bryan Baker | Number Change | RHP Bryan Baker changed number to 43. |
| Apr 16 | Ramón Urías | Number Change | 3B Ramón Urías changed number to 29. |
| Apr 16 | Félix Bautista | Number Change | RHP Félix Bautista changed number to 74. |
| Apr 16 | Gunnar Henderson | Number Change | SS Gunnar Henderson changed number to 2. |
| Apr 16 | Ryan O'Hearn | Number Change | 1B Ryan O'Hearn changed number to 32. |
| Apr 16 | Adley Rutschman | Number Change | C Adley Rutschman changed number to 35. |
| Apr 16 | Jordan Westburg | Number Change | 3B Jordan Westburg changed number to 11. |
| Apr 16 | Yennier Cano | Number Change | RHP Yennier Cano changed number to 78. |
| Apr 16 | Heston Kjerstad | Number Change | LF Heston Kjerstad changed number to 13. |
| Apr 16 | Cade Povich | Number Change | LHP Cade Povich changed number to 37. |
| Apr 16 | Seranthony Domínguez | Number Change | RHP Seranthony Domínguez changed number to 56. |
| Apr 16 | Tyler O'Neill | Number Change | LF Tyler O'Neill changed number to 9. |
| Apr 16 | Jackson Holliday | Number Change | 2B Jackson Holliday changed number to 7. |
| Apr 16 | Gregory Soto | Number Change | LHP Gregory Soto changed number to 65. |
| Apr 16 | Gary Sánchez | Number Change | C Gary Sánchez changed number to 99. |
| Apr 16 | Tomoyuki Sugano | Number Change | RHP Tomoyuki Sugano changed number to 19. |
| Apr 16 | Ramón Laureano | Number Change | RF Ramón Laureano changed number to 12. |
| Apr 16 | Matt Bowman | Number Change | RHP Matt Bowman changed number to 51. |
| Apr 16 | Charlie Morton | Number Change | RHP Charlie Morton changed number to 50. |
| Apr 16 | Scott Blewett | Number Change | RHP Scott Blewett changed number to 67. |
| Apr 15 | Luis González | Released | Baltimore Orioles released LHP Luis González. |
| Apr 15 | Colin Selby | Optioned | Baltimore Orioles optioned RHP Colin Selby to Norfolk Tides. |
| Apr 15 | Scott Blewett | Status Change | Baltimore Orioles activated RHP Scott Blewett. |
| Apr 15 | Keegan Akin | Number Change | LHP Keegan Akin changed number to 42. |
| Apr 15 | Cedric Mullins | Number Change | CF Cedric Mullins changed number to 42. |
| Apr 15 | Dean Kremer | Number Change | RHP Dean Kremer changed number to 42. |
| Apr 15 | Ramón Urías | Number Change | 3B Ramón Urías changed number to 42. |
| Apr 15 | Jorge Mateo | Number Change | 2B Jorge Mateo changed number to 42. |
| Apr 15 | Cionel Pérez | Number Change | LHP Cionel Pérez changed number to 42. |
| Apr 15 | Bryan Baker | Number Change | RHP Bryan Baker changed number to 42. |
| Apr 15 | Félix Bautista | Number Change | RHP Félix Bautista changed number to 42. |
| Apr 15 | Ryan Mountcastle | Number Change | 1B Ryan Mountcastle changed number to 42. |
| Apr 15 | Gunnar Henderson | Number Change | SS Gunnar Henderson changed number to 42. |
| Apr 15 | Adley Rutschman | Number Change | C Adley Rutschman changed number to 42. |
| Apr 15 | Ryan O'Hearn | Number Change | 1B Ryan O'Hearn changed number to 42. |
| Apr 15 | Yennier Cano | Number Change | RHP Yennier Cano changed number to 42. |
| Apr 15 | Jordan Westburg | Number Change | 3B Jordan Westburg changed number to 42. |
| Apr 15 | Heston Kjerstad | Number Change | LF Heston Kjerstad changed number to 42. |
| Apr 15 | Seranthony Domínguez | Number Change | RHP Seranthony Domínguez changed number to 42. |
| Apr 15 | Cade Povich | Number Change | LHP Cade Povich changed number to 42. |
| Apr 15 | Ramón Laureano | Number Change | RF Ramón Laureano changed number to 42. |
| Apr 15 | Gregory Soto | Number Change | LHP Gregory Soto changed number to 42. |
| Apr 15 | Gary Sánchez | Number Change | C Gary Sánchez changed number to 42. |
| Apr 15 | Tomoyuki Sugano | Number Change | RHP Tomoyuki Sugano changed number to 42. |
| Apr 15 | Tyler O'Neill | Number Change | LF Tyler O'Neill changed number to 42. |
| Apr 15 | Jackson Holliday | Number Change | 2B Jackson Holliday changed number to 42. |
| Apr 15 | Charlie Morton | Number Change | RHP Charlie Morton changed number to 42. |
| Apr 15 | Matt Bowman | Number Change | RHP Matt Bowman changed number to 42. |
| Apr 14 | Scott Blewett | Status Change | RHP Scott Blewett roster status changed by Baltimore Orioles. |
| Apr 14 | Scott Blewett | Claimed Off Waivers | Baltimore Orioles claimed RHP Scott Blewett off waivers from Minnesota Twins. |
| Apr 14 | Luis González | Designated for Assignment | Baltimore Orioles designated LHP Luis González for assignment. |
| Apr 13 | Chadwick Tromp | Signed as Free Agent | Baltimore Orioles signed free agent C Chadwick Tromp to a minor league contract. |
| Apr 9 | Colin Selby | Status Change | Baltimore Orioles activated RHP Colin Selby. |
| Apr 9 | Zach Eflin | Status Change | Baltimore Orioles placed RHP Zach Eflin on the 15-day injured list retroactive to April 8, 2025. Right lat strain. |
| Apr 9 | Colin Selby | Recalled | Baltimore Orioles recalled RHP Colin Selby from Norfolk Tides. |
| Apr 7 | Albert Suárez | Status Change | Baltimore Orioles transferred RHP Albert Suárez from the 15-day injured list to the 60-day injured list. Right subscapularis strain. |
| Apr 7 | Grant Wolfram | Optioned | Baltimore Orioles optioned LHP Grant Wolfram to Norfolk Tides. |
| Apr 7 | — | Trade | Baltimore Orioles traded LF Daz Cameron and cash to Milwaukee Brewers for LHP Grant Wolfram. |
| Apr 5 | Nick Gordon | Trade | Baltimore Orioles traded 2B Nick Gordon to Kansas City Royals for cash. |
| Apr 4 | Dylan Carlson | Optioned | Baltimore Orioles optioned LF Dylan Carlson to Norfolk Tides. |
| Apr 4 | Gunnar Henderson | Status Change | Baltimore Orioles activated SS Gunnar Henderson from the 10-day injured list. |
| Mar 31 | Colton Cowser | Status Change | Baltimore Orioles placed LF Colton Cowser on the 10-day injured list. Left thumb fracture. |
| Mar 31 | Dylan Carlson | Recalled | Baltimore Orioles recalled LF Dylan Carlson from Norfolk Tides. |
| Mar 30 | Albert Suárez | Status Change | Baltimore Orioles placed RHP Albert Suárez on the 15-day injured list retroactive to March 29, 2025. Right shoulder inflammation. |
| Mar 30 | Matt Bowman | Selected | Baltimore Orioles selected the contract of RHP Matt Bowman from Norfolk Tides. |
| Mar 29 | Cody Poteet | Optioned | Baltimore Orioles optioned RHP Cody Poteet to Norfolk Tides. |
| Mar 29 | — | Trade | Chicago Cubs traded RHP Cody Poteet to Baltimore Orioles for cash. |
| Mar 28 | Gunnar Henderson | Assigned | Baltimore Orioles sent SS Gunnar Henderson on a rehab assignment to Norfolk Tides. |
| Mar 27 | Roansy Contreras | Outrighted | Baltimore Orioles sent RHP Roansy Contreras outright to Norfolk Tides. |
| Mar 27 | Roansy Contreras | Designated for Assignment | Baltimore Orioles designated RHP Roansy Contreras for assignment. |
| Mar 27 | Matt Bowman | Outrighted | Baltimore Orioles sent RHP Matt Bowman outright to Norfolk Tides. |
| Mar 27 | Trevor Rogers | Status Change | Baltimore Orioles placed LHP Trevor Rogers on the 15-day injured list retroactive to March 24, 2025. Right knee subluxation. |
| Mar 27 | Grayson Rodriguez | Status Change | Baltimore Orioles placed RHP Grayson Rodriguez on the 15-day injured list retroactive to March 24, 2025. Right elbow inflammation. |
| Mar 27 | Chayce McDermott | Status Change | Baltimore Orioles placed RHP Chayce McDermott on the 15-day injured list retroactive to March 24, 2025. Right lat strain. |
| Mar 27 | Andrew Kittredge | Status Change | Baltimore Orioles placed RHP Andrew Kittredge on the 15-day injured list retroactive to March 24, 2025. Left knee debridement. |
| Mar 27 | Gunnar Henderson | Status Change | Baltimore Orioles placed SS Gunnar Henderson on the 10-day injured list retroactive to March 24, 2025. Right intercostal strain. |
| Mar 25 | Juan Nuñez | Status Change | RHP Juan Nuñez roster status changed by Baltimore Orioles. |
| Mar 25 | Juan Nuñez | Returned | RHP Juan Nuñez returned to Baltimore Orioles from San Diego Padres. |
| Mar 24 | Jainer Marmolejos | Signed as Free Agent | Baltimore Orioles signed free agent RHP Jainer Marmolejos to a minor league contract. |
| Mar 24 | Roynel Confidente | Signed as Free Agent | Baltimore Orioles signed free agent RHP Roynel Confidente to a minor league contract. |
| Mar 24 | Kyle Gibson | Optioned | Baltimore Orioles optioned RHP Kyle Gibson to FCL Orioles. |
| Mar 24 | Cameron Weston | Assigned | RHP Cameron Weston assigned to Baltimore Orioles. |
| Mar 23 | Tyler Wells | Status Change | Baltimore Orioles placed RHP Tyler Wells on the 60-day injured list. Right elbow UCL surgery. |
| Mar 23 | Matt Bowman | Selected | Baltimore Orioles selected the contract of RHP Matt Bowman from Norfolk Tides. |
| Mar 23 | Dylan Carlson | Optioned | Baltimore Orioles optioned LF Dylan Carlson to Norfolk Tides. |
| Mar 22 | Kyle Gibson | Signed as Free Agent | Baltimore Orioles signed free agent RHP Kyle Gibson. |
| Mar 21 | Kyle Bradish | Status Change | Baltimore Orioles placed RHP Kyle Bradish on the 60-day injured list. |
| Mar 21 | Austin Overn | Assigned | CF Austin Overn assigned to Baltimore Orioles. |
| Mar 18 | Coby Mayo | Optioned | Baltimore Orioles optioned 3B Coby Mayo to Norfolk Tides. |
| Mar 17 | Blake Money | Assigned | RHP Blake Money assigned to Baltimore Orioles. |
| Mar 17 | Cole Urman | Assigned | C Cole Urman assigned to Baltimore Orioles. |
| Mar 16 | Trey Gibson | Assigned | RHP Trey Gibson assigned to Baltimore Orioles. |
| Mar 16 | Wyatt Cheney | Assigned | RHP Wyatt Cheney assigned to Baltimore Orioles. |
| Mar 16 | Hayden Nierman | Assigned | RHP Hayden Nierman assigned to Baltimore Orioles. |
| Mar 16 | Jacob Stretch | Assigned | RHP Jacob Stretch assigned to Baltimore Orioles. |
| Mar 15 | Luis Valdez | Assigned | 2B Luis Valdez assigned to Baltimore Orioles. |
| Mar 15 | Noelberth Romero | Assigned | 2B Noelberth Romero assigned to Baltimore Orioles. |
| Mar 15 | Collin Burns | Assigned | 2B Collin Burns assigned to Baltimore Orioles. |
| Mar 11 | Hudson Haskin | Status Change | CF Hudson Haskin roster status changed by Baltimore Orioles. |
| Mar 11 | Hudson Haskin | Assigned | CF Hudson Haskin assigned to Baltimore Orioles. |
| Mar 11 | Daniel Lloyd | Assigned | RHP Daniel Lloyd assigned to Baltimore Orioles. |
| Mar 11 | Zach Fruit | Assigned | RHP Zach Fruit assigned to Baltimore Orioles. |
| Mar 10 | Max Wagner | Assigned | 3B Max Wagner assigned to Baltimore Orioles. |
| Mar 10 | Luis De León | Assigned | LHP Luis De León assigned to Baltimore Orioles. |
| Mar 10 | Levi Wells | Assigned | RHP Levi Wells assigned to Baltimore Orioles. |
| Mar 10 | Douglas Hodo III | Assigned | CF Douglas Hodo III assigned to Baltimore Orioles. |
| Mar 10 | Luis González | Optioned | Baltimore Orioles optioned LHP Luis González to Norfolk Tides. |
| Mar 10 | Kade Strowd | Optioned | Baltimore Orioles optioned RHP Kade Strowd to Norfolk Tides. |
| Mar 9 | Noah Denoyer | Status Change | RHP Noah Denoyer roster status changed by Baltimore Orioles. |
| Mar 9 | Preston Johnson | Assigned | RHP Preston Johnson assigned to Baltimore Orioles. |
| Mar 9 | Thomas Sosa | Assigned | CF Thomas Sosa assigned to Baltimore Orioles. |
| Mar 9 | Ryan Stafford | Assigned | C Ryan Stafford assigned to Baltimore Orioles. |
| Mar 9 | Aron Estrada | Assigned | 2B Aron Estrada assigned to Baltimore Orioles. |
| Mar 9 | Noah Denoyer | Assigned | RHP Noah Denoyer assigned to Baltimore Orioles. |
| Mar 9 | Fernando Peguero | Assigned | 3B Fernando Peguero assigned to Baltimore Orioles. |
| Mar 8 | Griff O'Ferrall | Status Change | SS Griff O'Ferrall roster status changed by Baltimore Orioles. |
| Mar 8 | Leandro Arias | Assigned | SS Leandro Arias assigned to Baltimore Orioles. |
| Mar 8 | Vance Honeycutt | Assigned | CF Vance Honeycutt assigned to Baltimore Orioles. |
| Mar 8 | Griff O'Ferrall | Assigned | SS Griff O'Ferrall assigned to Baltimore Orioles. |
| Mar 8 | Brandon Young | Optioned | Baltimore Orioles optioned RHP Brandon Young to Norfolk Tides. |
| Mar 7 | TT Bowens | Status Change | 1B TT Bowens roster status changed by Baltimore Orioles. |
| Mar 7 | TT Bowens | Assigned | 1B TT Bowens assigned to Baltimore Orioles. |
| Mar 6 | Connor Pavolony | Assigned | C Connor Pavolony assigned to Baltimore Orioles. |
| Mar 5 | Adam Retzbach | Assigned | C Adam Retzbach assigned to Baltimore Orioles. |
| Mar 2 | Colin Selby | Optioned | Baltimore Orioles optioned RHP Colin Selby to Norfolk Tides. |
| Mar 1 | Frederick Bencosme | Status Change | SS Frederick Bencosme roster status changed by Baltimore Orioles. |
| Mar 1 | Tavian Josenberger | Assigned | SS Tavian Josenberger assigned to Baltimore Orioles. |
| Mar 1 | Carter Young | Assigned | SS Carter Young assigned to Baltimore Orioles. |
| Mar 1 | Frederick Bencosme | Assigned | SS Frederick Bencosme assigned to Baltimore Orioles. |
| Feb 28 | Ethan Anderson | Assigned | C Ethan Anderson assigned to Baltimore Orioles. |
| Feb 27 | Zane Barnhart | Assigned | RHP Zane Barnhart assigned to Baltimore Orioles. |
| Feb 27 | Alex Pham | Assigned | RHP Alex Pham assigned to Baltimore Orioles. |
| Feb 26 | Riley Cooper | Status Change | LHP Riley Cooper roster status changed by Baltimore Orioles. |
| Feb 26 | Trent Turzenski | Assigned | RHP Trent Turzenski assigned to Baltimore Orioles. |
| Feb 26 | Riley Cooper | Assigned | LHP Riley Cooper assigned to Baltimore Orioles. |
| Feb 25 | Dominic Freeberger | Status Change | RHP Dominic Freeberger roster status changed by Baltimore Orioles. |
| Feb 25 | Joe Glassey | Status Change | RHP Joe Glassey roster status changed by Baltimore Orioles. |
| Feb 25 | Joe Glassey | Assigned | RHP Joe Glassey assigned to Baltimore Orioles. |
| Feb 25 | Dominic Freeberger | Assigned | RHP Dominic Freeberger assigned to Baltimore Orioles. |
| Feb 24 | Christian Herberholz | Status Change | RHP Christian Herberholz roster status changed by Baltimore Orioles. |
| Feb 24 | Christian Herberholz | Assigned | RHP Christian Herberholz assigned to Baltimore Orioles. |
| Feb 24 | Patrick Reilly | Assigned | RHP Patrick Reilly assigned to Baltimore Orioles. |
| Feb 23 | Ben Vespi | Status Change | RHP Ben Vespi roster status changed by Baltimore Orioles. |
| Feb 23 | Anthony Servideo | Status Change | SS Anthony Servideo roster status changed by Baltimore Orioles. |
| Feb 23 | Ben Vespi | Status Change | RHP Ben Vespi roster status changed by Baltimore Orioles. |
| Feb 23 | Kenny Leiner | Assigned | RHP Kenny Leiner assigned to Baltimore Orioles. |
| Feb 23 | Kyle Brnovich | Assigned | RHP Kyle Brnovich assigned to Baltimore Orioles. |
| Feb 23 | Ben Vespi | Assigned | RHP Ben Vespi assigned to Baltimore Orioles. |
| Feb 23 | Carter Rustad | Assigned | RHP Carter Rustad assigned to Baltimore Orioles. |
| Feb 23 | Anthony Servideo | Assigned | SS Anthony Servideo assigned to Baltimore Orioles. |
| Feb 23 | Creed Willems | Assigned | C Creed Willems assigned to Baltimore Orioles. |
| Feb 22 | Logan Rinehart | Status Change | RHP Logan Rinehart roster status changed by Baltimore Orioles. |
| Feb 22 | Dylan Heid | Status Change | RHP Dylan Heid roster status changed by Baltimore Orioles. |
| Feb 22 | Keagan Gillies | Status Change | RHP Keagan Gillies roster status changed by Baltimore Orioles. |
| Feb 22 | Peter Van Loon | Assigned | RHP Peter Van Loon assigned to Baltimore Orioles. |
| Feb 22 | Yaqui Rivera | Assigned | RHP Yaqui Rivera assigned to Baltimore Orioles. |
| Feb 22 | Nick Richmond | Assigned | RHP Nick Richmond assigned to Baltimore Orioles. |
| Feb 22 | Logan Rinehart | Assigned | RHP Logan Rinehart assigned to Baltimore Orioles. |
| Feb 22 | Gerald Ogando | Assigned | RHP Gerald Ogando assigned to Baltimore Orioles. |
| Feb 22 | Keagan Gillies | Assigned | RHP Keagan Gillies assigned to Baltimore Orioles. |
| Feb 22 | Dylan Heid | Assigned | RHP Dylan Heid assigned to Baltimore Orioles. |
| Feb 13 | Daz Cameron | Assigned | Baltimore Orioles invited non-roster LF Daz Cameron to spring training. |
| Feb 13 | Daz Cameron | Outrighted | Baltimore Orioles sent LF Daz Cameron outright to Norfolk Tides. |
| Feb 10 | Emmanuel Rivera | Status Change | 3B Emmanuel Rivera roster status changed by Baltimore Orioles. |
| Feb 10 | Dylan Coleman | Status Change | RHP Dylan Coleman roster status changed by Baltimore Orioles. |
| Feb 10 | Dylan Coleman | Signed as Free Agent | Baltimore Orioles signed free agent RHP Dylan Coleman to a minor league contract and invited him to spring training. |
| Feb 10 | Emmanuel Rivera | Assigned | Baltimore Orioles invited non-roster 3B Emmanuel Rivera to spring training. |
| Feb 7 | Luis Vázquez | Status Change | SS Luis Vazquez roster status changed by Baltimore Orioles. |
| Feb 7 | Roansy Contreras | Status Change | Baltimore Orioles activated RHP Roansy Contreras. |
| Feb 7 | Emmanuel Rivera | Outrighted | Baltimore Orioles sent 3B Emmanuel Rivera outright to Norfolk Tides. |
| Feb 7 | Luis Vázquez | Assigned | Baltimore Orioles invited non-roster SS Luis Vazquez to spring training. |
| Feb 7 | Luis Vázquez | Outrighted | Baltimore Orioles sent SS Luis Vazquez outright to Norfolk Tides. |
| Feb 7 | Daz Cameron | Designated for Assignment | Baltimore Orioles designated LF Daz Cameron for assignment. |
| Feb 7 | Roansy Contreras | Claimed Off Waivers | Baltimore Orioles claimed RHP Roansy Contreras off waivers from New York Yankees. |
| Feb 6 | Jud Fabian | Assigned | Baltimore Orioles invited non-roster CF Jud Fabian to spring training. |
| Feb 6 | Enrique Bradfield Jr. | Assigned | Baltimore Orioles invited non-roster CF Enrique Bradfield Jr. to spring training. |
| Feb 6 | Dylan Beavers | Assigned | Baltimore Orioles invited non-roster RF Dylan Beavers to spring training. |
| Feb 6 | Livan Soto | Assigned | Baltimore Orioles invited non-roster SS Livan Soto to spring training. |
| Feb 6 | Maverick Handley | Assigned | Baltimore Orioles invited non-roster C Maverick Handley to spring training. |
| Feb 6 | Samuel Basallo | Assigned | Baltimore Orioles invited non-roster C Samuel Basallo to spring training. |
| Feb 6 | David Bañuelos | Assigned | Baltimore Orioles invited non-roster C David Bañuelos to spring training. |
| Feb 6 | Silas Ardoin | Assigned | Baltimore Orioles invited non-roster C Silas Ardoin to spring training. |
| Feb 6 | Nate Webb | Assigned | Baltimore Orioles invited non-roster RHP Nathan Webb to spring training. |
| Feb 6 | Carlos Tavera | Assigned | Baltimore Orioles invited non-roster RHP Carlos Tavera to spring training. |
| Feb 6 | Levi Stoudt | Assigned | Baltimore Orioles invited non-roster RHP Levi Stoudt to spring training. |
| Feb 6 | Rodolfo Martinez | Assigned | Baltimore Orioles invited non-roster RHP Rodolfo Martinez to spring training. |
| Feb 6 | Corbin Martin | Assigned | Baltimore Orioles invited non-roster RHP Corbin Martin to spring training. |
| Feb 6 | Yaramil Hiraldo | Assigned | Baltimore Orioles invited non-roster RHP Yaramil Hiraldo to spring training. |
| Feb 6 | Jakob Hernandez | Assigned | Baltimore Orioles invited non-roster LHP Jakob Hernandez to spring training. |
| Feb 6 | Justin Armbruester | Assigned | Baltimore Orioles invited non-roster RHP Justin Armbruester to spring training. |
| Feb 5 | Terrin Vavra | Signed as Free Agent | Baltimore Orioles signed free agent 2B Terrin Vavra to a minor league contract. |
| Feb 4 | Luis Vázquez | Designated for Assignment | Baltimore Orioles designated SS Luis Vazquez for assignment. |
| Feb 4 | Ramón Laureano | Signed as Free Agent | Baltimore Orioles signed free agent RF Ramón Laureano. |
| Feb 3 | Jacob Amaya | Claimed Off Waivers | Chicago White Sox claimed SS Jacob Amaya off waivers from Baltimore Orioles. |
| Jan 31 | Emmanuel Rivera | Designated for Assignment | Baltimore Orioles designated 3B Emmanuel Rivera for assignment. |
| Jan 31 | Emmanuel Rivera | Designated for Assignment | Baltimore Orioles designated 3B Emmanuel Rivera for assignment. |
| Jan 31 | Luis Vázquez | Trade | Chicago Cubs traded SS Luis Vazquez to Baltimore Orioles for cash. |
| Jan 27 | Jacob Amaya | Designated for Assignment | Baltimore Orioles designated SS Jacob Amaya for assignment. |
| Jan 27 | Dylan Carlson | Signed as Free Agent | Baltimore Orioles signed free agent LF Dylan Carlson. |
| Jan 23 | Roansy Contreras | Claimed Off Waivers | New York Yankees claimed RHP Roansy Contreras off waivers from Baltimore Orioles. |
| Jan 17 | Livan Soto | Outrighted | Baltimore Orioles sent SS Livan Soto outright to Norfolk Tides. |
| Jan 16 | Roansy Contreras | Designated for Assignment | Baltimore Orioles designated RHP Roansy Contreras for assignment. |
| Jan 16 | Jacob Amaya | Claimed Off Waivers | Baltimore Orioles claimed SS Jacob Amaya off waivers from Chicago White Sox. |
| Jan 15 | Fabian Cordero | Status Change | LHP Fabian Cordero roster status changed by Baltimore Orioles. |
| Jan 15 | Jose Flores | Signed as Free Agent | Baltimore Orioles signed C Jose Flores. |
| Jan 15 | Alexander Diaz | Signed as Free Agent | Baltimore Orioles signed free agent RHP Alexander Diaz to a minor league contract. |
| Jan 15 | Fabian Cordero | Signed as Free Agent | Baltimore Orioles signed free agent LHP Fabian Cordero to a minor league contract. |
| Jan 15 | Samuel Teran | Signed as Free Agent | Baltimore Orioles signed free agent RHP Samuel Teran to a minor league contract. |
| Jan 15 | Yunior Villavicencio | Signed as Free Agent | Baltimore Orioles signed free agent LHP Yunior Villavicencio to a minor league contract. |
| Jan 15 | Emmanuel Pena | Signed as Free Agent | Baltimore Orioles signed free agent RHP Emmanuel Pena to a minor league contract. |
| Jan 15 | Benjamin Vasquez | Signed as Free Agent | Baltimore Orioles signed free agent RHP Benjamin Vasquez to a minor league contract. |
| Jan 15 | Lisandro Sanchez | Signed as Free Agent | Baltimore Orioles signed free agent OF Lisandro Sanchez to a minor league contract. |
| Jan 15 | Jorge Drullard | Signed as Free Agent | Baltimore Orioles signed free agent SS Jorge Drullard to a minor league contract. |
| Jan 15 | Rayner Herrera | Signed as Free Agent | Baltimore Orioles signed free agent OF Rayner Herrera to a minor league contract. |
| Jan 15 | Frandy Guillen | Signed as Free Agent | Baltimore Orioles signed free agent SS Frandy Guillen to a minor league contract. |
| Jan 15 | Ricardo Chirinos | Signed as Free Agent | Baltimore Orioles signed free agent C Ricardo Chirinos to a minor league contract. |
| Jan 15 | Manuel Vasquez | Signed as Free Agent | Baltimore Orioles signed free agent C Manuel Vasquez to a minor league contract. |
| Jan 15 | Darling Valencio | Signed as Free Agent | Baltimore Orioles signed free agent LHP Darling Valencio to a minor league contract. |
| Jan 15 | Ronald Terrero | Signed as Free Agent | Baltimore Orioles signed free agent SS Ronald Terrero to a minor league contract. |
| Jan 15 | Kelvin Zapata | Signed as Free Agent | Baltimore Orioles signed free agent LHP Kelvin Zapata to a minor league contract. |
| Jan 15 | Victor Saez | Signed as Free Agent | Baltimore Orioles signed free agent C Victor Saez to a minor league contract. |
| Jan 15 | José Peña | Signed as Free Agent | Baltimore Orioles signed free agent SS José Peña to a minor league contract. |
| Jan 15 | Johanse Gomez | Signed as Free Agent | Baltimore Orioles signed free agent OF Johanse Gomez to a minor league contract. |
| Jan 15 | Yeison Acosta | Signed as Free Agent | Baltimore Orioles signed free agent C Yeison Acosta to a minor league contract. |
| Jan 15 | Meykel Baro | Signed as Free Agent | Baltimore Orioles signed free agent SS Meykel Baro to a minor league contract. |
| Jan 15 | Laurens Sosa | Signed as Free Agent | Baltimore Orioles signed free agent RHP Laurens Sosa to a minor league contract. |
| Jan 15 | Blake Hunt | Trade | Baltimore Orioles traded C Blake Hunt to Seattle Mariners for cash. |
| Jan 13 | Blake Hunt | Designated for Assignment | Baltimore Orioles designated C Blake Hunt for assignment. |
| Jan 13 | Andrew Kittredge | Signed as Free Agent | Baltimore Orioles signed free agent RHP Andrew Kittredge. |
| Jan 10 | Livan Soto | Designated for Assignment | Baltimore Orioles designated SS Livan Soto for assignment. |
| Jan 10 | René Pinto | Claimed Off Waivers | Arizona Diamondbacks claimed C René Pinto off waivers from Baltimore Orioles. |
| Jan 10 | Roansy Contreras | Claimed Off Waivers | Baltimore Orioles claimed RHP Roansy Contreras off waivers from Cincinnati Reds. |
| Jan 3 | René Pinto | Designated for Assignment | Baltimore Orioles designated C René Pinto for assignment. |
| Jan 3 | Charlie Morton | Signed as Free Agent | Baltimore Orioles signed free agent RHP Charlie Morton. |