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BAL · 2026 transactions
Data through 2026-10-03
| Date | Player | Type | Detail |
|---|---|---|---|
| Sep 24 | Kyle Bradish | Status Change | Baltimore Orioles transferred RHP Kyle Bradish from the 15-day injured list to the 60-day injured list. Lower abdominal discomfort. |
| Sep 24 | Trey Gibson | Optioned | Baltimore Orioles optioned RHP Trey Gibson to FCL Orioles. |
| Sep 24 | Albert Suárez | Selected | Baltimore Orioles selected the contract of RHP Albert Suárez from Norfolk Tides. |
| Sep 23 | Trey Gibson | Recalled | Baltimore Orioles recalled RHP Trey Gibson from Norfolk Tides. |
| Sep 23 | Luis De León | Optioned | Baltimore Orioles optioned LHP Luis De León to FCL Orioles. |
| Sep 23 | Samuel Basallo | Status Change | Baltimore Orioles placed C Samuel Basallo on the 7-day injured list retroactive to September 22, 2026. Concussion. |
| Sep 23 | Heston Kjerstad | Recalled | Baltimore Orioles recalled LF Heston Kjerstad from Norfolk Tides. |
| Sep 19 | Tyler O'Neill | Status Change | Baltimore Orioles transferred RF Tyler O'Neill from the 10-day injured list to the 60-day injured list. Right shoulder inflammation. |
| Sep 19 | Christian Franklin | Status Change | Baltimore Orioles activated CF Christian Franklin from the 10-day injured list. |
| Sep 19 | Félix Bautista | Status Change | Baltimore Orioles activated RHP Félix Bautista from the 60-day injured list. |
| Sep 19 | Cade Povich | Optioned | Baltimore Orioles optioned LHP Cade Povich to Norfolk Tides. |
| Sep 19 | Heston Kjerstad | Optioned | Baltimore Orioles optioned LF Heston Kjerstad to Norfolk Tides. |
| Sep 19 | Trey Mancini | Retired | 1B Trey Mancini retired. |
| Sep 18 | Codi Heuer | Optioned | Baltimore Orioles optioned RHP Codi Heuer to Norfolk Tides. |
| Sep 18 | Cade Povich | Recalled | Baltimore Orioles recalled LHP Cade Povich from Norfolk Tides. |
| Sep 16 | Jackson Holliday | Status Change | Baltimore Orioles placed 2B Jackson Holliday on the 10-day injured list retroactive to September 15, 2026. Left wrist inflammation. |
| Sep 16 | José Barrero | Selected | Baltimore Orioles selected the contract of SS José Barrero from Norfolk Tides. |
| Sep 16 | Christian Encarnacion-Strand | Number Change | 3B Christian Encarnacion-Strand changed number to 32. |
| Sep 16 | Chris Bassitt | Number Change | RHP Chris Bassitt changed number to 40. |
| Sep 16 | Rico Garcia | Number Change | RHP Rico Garcia changed number to 50. |
| Sep 16 | Pete Alonso | Number Change | 1B Pete Alonso changed number to 25. |
| Sep 15 | Rico Garcia | Number Change | RHP Rico Garcia changed number to 21. |
| Sep 15 | Pete Alonso | Number Change | 1B Pete Alonso changed number to 21. |
| Sep 15 | Christian Encarnacion-Strand | Number Change | 3B Christian Encarnacion-Strand changed number to 21. |
| Sep 15 | Chris Bassitt | Number Change | RHP Chris Bassitt changed number to 21. |
| Sep 14 | Yaramil Hiraldo | Optioned | Baltimore Orioles optioned RHP Yaramil Hiraldo to Norfolk Tides. |
| Sep 14 | Codi Heuer | Recalled | Baltimore Orioles recalled RHP Codi Heuer from Norfolk Tides. |
| Sep 13 | Christian Franklin | Assigned | Baltimore Orioles sent CF Christian Franklin on a rehab assignment to Norfolk Tides. |
| Sep 13 | Christian Franklin | Assigned | Baltimore Orioles sent CF Christian Franklin on a rehab assignment to Norfolk Tides. |
| Sep 13 | Yaramil Hiraldo | Recalled | Baltimore Orioles recalled RHP Yaramil Hiraldo from Norfolk Tides. |
| Sep 13 | Kyle Bradish | Status Change | Baltimore Orioles placed RHP Kyle Bradish on the 15-day injured list. Lower abdominal discomfort. |
| Sep 12 | Albert Suárez | Signed as Free Agent | Baltimore Orioles signed free agent RHP Albert Suárez to a minor league contract. |
| Sep 12 | Ryan Helsley | Assigned | Baltimore Orioles sent RHP Ryan Helsley on a rehab assignment to Norfolk Tides. |
| Sep 9 | Blaze Alexander | Status Change | Baltimore Orioles placed 3B Blaze Alexander on the 10-day injured list. Low back discomfort. |
| Sep 9 | Jeremiah Jackson | Recalled | Baltimore Orioles recalled 2B Jeremiah Jackson from Norfolk Tides. |
| Sep 8 | Albert Suárez | Outrighted | Baltimore Orioles sent RHP Albert Suárez outright to Norfolk Tides. |
| Sep 6 | Anthony Nunez | Recalled | Baltimore Orioles recalled RHP Anthony Nunez from Norfolk Tides. |
| Sep 6 | Luis Robert Jr. | Status Change | Baltimore Orioles placed CF Luis Robert Jr. on the 10-day injured list retroactive to September 5, 2026. Left hamstring discomfort. |
| Sep 6 | Albert Suárez | Designated for Assignment | Baltimore Orioles designated RHP Albert Suárez for assignment. |
| Sep 6 | Rece Hinds | Recalled | Baltimore Orioles recalled RF Rece Hinds from Norfolk Tides. |
| Sep 3 | Cameron Weston | Claimed Off Waivers | New York Mets claimed RHP Cameron Weston off waivers from Baltimore Orioles. |
| Sep 3 | Luis Vázquez | Outrighted | Baltimore Orioles sent SS Luis Vázquez outright to Norfolk Tides. |
| Sep 2 | Cameron Weston | Status Change | RHP Cameron Weston roster status changed by Baltimore Orioles. |
| Sep 1 | Nick Raquet | Released | Baltimore Orioles released LHP Nick Raquet. |
| Sep 1 | Nick Raquet | Designated for Assignment | Baltimore Orioles designated LHP Nick Raquet for assignment. |
| Sep 1 | Cameron Weston | Designated for Assignment | Baltimore Orioles designated RHP Cameron Weston for assignment. |
| Sep 1 | Cade Povich | Optioned | Baltimore Orioles optioned LHP Cade Povich to Norfolk Tides. |
| Sep 1 | Christian Franklin | Status Change | Baltimore Orioles placed CF Christian Franklin on the 10-day injured list retroactive to August 31, 2026. Left hand inflammation. |
| Sep 1 | Heston Kjerstad | Recalled | Baltimore Orioles recalled LF Heston Kjerstad from Norfolk Tides. |
| Sep 1 | Albert Suárez | Selected | Baltimore Orioles selected the contract of RHP Albert Suárez from Norfolk Tides. |
| Sep 1 | Luis De León | Selected | Baltimore Orioles selected the contract of LHP Luis De León from Norfolk Tides. |
| Sep 1 | Luis Robert Jr. | Status Change | Baltimore Orioles activated CF Luis Robert Jr.. |
| Aug 31 | Cade Povich | Status Change | Baltimore Orioles activated LHP Cade Povich. |
| Aug 31 | Luis Robert Jr. | Status Change | CF Luis Robert Jr. roster status changed by Baltimore Orioles. |
| Aug 31 | Anthony Nunez | Optioned | Baltimore Orioles optioned RHP Anthony Nunez to Norfolk Tides. |
| Aug 31 | Luis Vázquez | Designated for Assignment | Baltimore Orioles designated SS Luis Vázquez for assignment. |
| Aug 31 | Cade Povich | Recalled | Baltimore Orioles recalled LHP Cade Povich from Norfolk Tides. |
| Aug 31 | Luis Robert Jr. | Claimed Off Waivers | Baltimore Orioles claimed CF Luis Robert Jr. off waivers from New York Mets. |
| Aug 28 | Blaze Alexander | Status Change | Baltimore Orioles activated 3B Blaze Alexander from the 10-day injured list. |
| Aug 28 | Luis Vázquez | Optioned | Baltimore Orioles optioned SS Luis Vázquez to Norfolk Tides. |
| Aug 27 | Albert Suárez | Signed as Free Agent | Baltimore Orioles signed free agent RHP Albert Suárez to a minor league contract. |
| Aug 26 | Tyler O'Neill | Status Change | Baltimore Orioles placed RF Tyler O'Neill on the 10-day injured list retroactive to August 23, 2026. Right shoulder inflammation. |
| Aug 26 | Luis Vázquez | Selected | Baltimore Orioles selected the contract of SS Luis Vázquez from Norfolk Tides. |
| Aug 25 | Blaze Alexander | Assigned | Baltimore Orioles sent 3B Blaze Alexander on a rehab assignment to Norfolk Tides. |
| Aug 25 | Félix Bautista | Assigned | Baltimore Orioles sent RHP Félix Bautista on a rehab assignment to Norfolk Tides. |
| Aug 23 | Félix Bautista | Assigned | Baltimore Orioles sent RHP Félix Bautista on a rehab assignment to Chesapeake Baysox. |
| Aug 23 | Albert Suárez | Outrighted | Baltimore Orioles sent RHP Albert Suárez outright to Norfolk Tides. |
| Aug 23 | Félix Bautista | Assigned | Baltimore Orioles sent RHP Félix Bautista on a rehab assignment to Chesapeake Baysox. |
| Aug 23 | Félix Bautista | Assigned | Baltimore Orioles sent RHP Félix Bautista on a rehab assignment to Chesapeake Baysox. |
| Aug 21 | Albert Suárez | Designated for Assignment | Baltimore Orioles designated RHP Albert Suárez for assignment. |
| Aug 21 | Anthony Nunez | Recalled | Baltimore Orioles recalled RHP Anthony Nunez from Norfolk Tides. |
| Aug 19 | Samuel Basallo | Status Change | Baltimore Orioles activated C Samuel Basallo from the 10-day injured list. |
| Aug 19 | Jeremiah Jackson | Optioned | Baltimore Orioles optioned 2B Jeremiah Jackson to Norfolk Tides. |
| Aug 18 | Samuel Basallo | Assigned | Baltimore Orioles sent C Samuel Basallo on a rehab assignment to Chesapeake Baysox. |
| Aug 18 | Samuel Basallo | Assigned | Baltimore Orioles sent C Samuel Basallo on a rehab assignment to Chesapeake Baysox. |
| Aug 16 | Samuel Basallo | Assigned | Baltimore Orioles sent C Samuel Basallo on a rehab assignment to Norfolk Tides. |
| Aug 14 | Chris Bassitt | Status Change | Baltimore Orioles activated RHP Chris Bassitt from the 60-day injured list. |
| Aug 14 | Yaramil Hiraldo | Optioned | Baltimore Orioles optioned RHP Yaramil Hiraldo to Norfolk Tides. |
| Aug 12 | Harold Rivas | Trade | Boston Red Sox traded CF Harold Rivas to Baltimore Orioles. Player to be named later from the 8/3 Adley Rutschman trade. |
| Aug 10 | Cade Povich | Optioned | Baltimore Orioles optioned LHP Cade Povich to Norfolk Tides. |
| Aug 10 | Cam Sanders | Recalled | Baltimore Orioles recalled RHP Cam Sanders from Norfolk Tides. |
| Aug 5 | Anthony Nunez | Optioned | Baltimore Orioles optioned RHP Anthony Nunez to Norfolk Tides. |
| Aug 5 | Alex Hoppe | Status Change | Baltimore Orioles activated RHP Alex Hoppe. |
| Aug 4 | Chadwick Tromp | Declared Free Agency | C Chadwick Tromp elected free agency. |
| Aug 4 | Codi Heuer | Optioned | Baltimore Orioles optioned RHP Codi Heuer to Norfolk Tides. |
| Aug 4 | Rece Hinds | Optioned | Baltimore Orioles optioned RF Rece Hinds to Norfolk Tides. |
| Aug 4 | Carlos Narváez | Status Change | Baltimore Orioles activated C Carlos Narváez. |
| Aug 4 | Christian Franklin | Status Change | Baltimore Orioles activated LF Christian Franklin. |
| Aug 4 | Cade Povich | Recalled | Baltimore Orioles recalled LHP Cade Povich from Norfolk Tides. |
| Aug 3 | Rece Hinds | Trade | Miami Marlins traded RF Rece Hinds to Baltimore Orioles for cash. |
| Aug 3 | — | Trade | Milwaukee Brewers traded RHP Codi Heuer to Baltimore Orioles for cash. |
| Aug 3 | Christian Franklin | Trade | Washington Nationals traded LF Christian Franklin to Baltimore Orioles for RHP Joe Glassey. |
| Aug 3 | Tyler Wells | Trade | Tampa Bay Rays traded RHP Michael Forret to Baltimore Orioles for RHP Tyler Wells. |
| Aug 3 | Jake Rogers | Trade | Baltimore Orioles traded C Adley Rutschman, C Jake Rogers and cash to Boston Red Sox for RHP Kyson Witherspoon, CF Enddy Azocar, C Carlos Narváez, RHP Anthony Eyanson and Player To Be Named Later. |
| Aug 3 | Taylor Ward | Trade | Baltimore Orioles traded LF Taylor Ward to Seattle Mariners for RHP Alex Hoppe, RHP Brock Moore and RHP Harrison Kreiling. |
| Aug 2 | Adley Rutschman | Status Change | C Adley Rutschman roster status changed by Baltimore Orioles. |
| Aug 2 | Taylor Ward | Status Change | LF Taylor Ward roster status changed by Baltimore Orioles. |
| Aug 1 | Sam Huff | Outrighted | Baltimore Orioles sent C Sam Huff outright to Norfolk Tides. |
| Aug 1 | Yaramil Hiraldo | Recalled | Baltimore Orioles recalled RHP Yaramil Hiraldo from Norfolk Tides. |
| Aug 1 | Dean Kremer | Trade | Baltimore Orioles traded RHP Dean Kremer to Minnesota Twins for OF Jhomnardo Reyes. |
| Jul 31 | Chadwick Tromp | Designated for Assignment | Baltimore Orioles designated C Chadwick Tromp for assignment. |
| Jul 31 | Jake Rogers | Status Change | Baltimore Orioles activated C Jake Rogers. |
| Jul 30 | Zane Barnhart | Trade | Detroit Tigers traded C Jake Rogers to Baltimore Orioles for RHP Zane Barnhart. |
| Jul 28 | Chris Bassitt | Assigned | Baltimore Orioles sent RHP Chris Bassitt on a rehab assignment to Norfolk Tides. |
| Jul 27 | Johnathan Rodríguez | Trade | Baltimore Orioles traded RF Johnathan Rodríguez to Pittsburgh Pirates for cash. |
| Jul 27 | Camden Wicker | Signed as Free Agent | Baltimore Orioles signed free agent RHP Camden Wicker to a minor league contract. |
| Jul 27 | Colton Sampson | Signed as Free Agent | Baltimore Orioles signed free agent LHP Colton Sampson to a minor league contract. |
| Jul 27 | David Lally Jr. | Signed as Free Agent | Baltimore Orioles signed free agent RHP David Lally Jr. to a minor league contract. |
| Jul 27 | Regan Hall | Signed as Free Agent | Baltimore Orioles signed free agent LHP Regan Hall to a minor league contract. |
| Jul 27 | Noah Chapman | Signed as Free Agent | Baltimore Orioles signed free agent LHP Noah Chapman to a minor league contract. |
| Jul 27 | Yohel Pozo | Recalled | Baltimore Orioles recalled C Yohel Pozo from Chesapeake Baysox. |
| Jul 27 | Sam Huff | Designated for Assignment | Baltimore Orioles designated C Sam Huff for assignment. |
| Jul 25 | Gunnar Garrison | Signed | Baltimore Orioles signed RHP Gunnar Garrison. |
| Jul 25 | Diego Gutierrez | Signed | Baltimore Orioles signed RHP Diego Gutierrez. |
| Jul 25 | Brayden Fry | Signed | Baltimore Orioles signed SS Brayden Fry. |
| Jul 25 | Braden Smith | Signed | Baltimore Orioles signed RHP Braden Smith. |
| Jul 25 | Miguel Hugas | Signed | Baltimore Orioles signed RHP Miguel Hugas. |
| Jul 25 | Garrison Sumner | Signed | Baltimore Orioles signed RHP Garrison Sumner. |
| Jul 25 | Leo Marrero | Signed | Baltimore Orioles signed C Leo Marrero. |
| Jul 25 | Ross Norman | Signed | Baltimore Orioles signed RHP Ross Norman. |
| Jul 25 | Will Plunkett | Signed | Baltimore Orioles signed SS Will Plunkett. |
| Jul 25 | Jimmy Anderson | Signed | Baltimore Orioles signed SS Jimmy Anderson. |
| Jul 25 | Kevin Roberts Jr. | Signed | Baltimore Orioles signed OF Kevin Roberts Jr.. |
| Jul 24 | Ty Head | Signed | Baltimore Orioles signed OF Ty Head. |
| Jul 24 | Josh Walker | Recalled | Baltimore Orioles recalled LHP Josh Walker from Norfolk Tides. |
| Jul 23 | Collin McKinney | Signed | Baltimore Orioles signed RHP Collin McKinney. |
| Jul 23 | Johnathan Rodríguez | Designated for Assignment | Baltimore Orioles designated RF Johnathan Rodríguez for assignment. |
| Jul 23 | Johnathan Rodríguez | Optioned | Baltimore Orioles optioned RF Johnathan Rodríguez to Norfolk Tides. |
| Jul 23 | Yohel Pozo | Optioned | Baltimore Orioles optioned C Yohel Pozo to Norfolk Tides. |
| Jul 23 | Yohel Pozo | Claimed Off Waivers | Baltimore Orioles claimed C Yohel Pozo off waivers from St. Louis Cardinals. |
| Jul 23 | Rudy Martin Jr. | Claimed Off Waivers | Toronto Blue Jays claimed RF Rudy Martin Jr. off waivers from Baltimore Orioles. |
| Jul 23 | Josh Walker | Optioned | Baltimore Orioles optioned LHP Josh Walker to Norfolk Tides. |
| Jul 22 | Josh Walker | Recalled | Baltimore Orioles recalled LHP Josh Walker from Norfolk Tides. |
| Jul 22 | Samuel Basallo | Status Change | Baltimore Orioles placed C Samuel Basallo on the 10-day injured list retroactive to July 20, 2026. Right shoulder inflammation. |
| Jul 22 | Johnathan Rodríguez | Recalled | Baltimore Orioles recalled RF Johnathan Rodríguez from Norfolk Tides. |
| Jul 20 | Chadwick Tromp | Selected | Baltimore Orioles selected the contract of C Chadwick Tromp from Norfolk Tides. |
| Jul 20 | Adley Rutschman | Status Change | Baltimore Orioles placed C Adley Rutschman on the 10-day injured list retroactive to July 19, 2026. Left wrist inflammation. |
| Jul 20 | Rudy Martin Jr. | Designated for Assignment | Baltimore Orioles designated RF Rudy Martin Jr. for assignment. |
| Jul 19 | Sam Huff | Selected | Baltimore Orioles selected the contract of C Sam Huff from Norfolk Tides. |
| Jul 19 | Cam Sanders | Optioned | Baltimore Orioles optioned RHP Cam Sanders to Norfolk Tides. |
| Jul 19 | Ryan Helsley | Status Change | Baltimore Orioles transferred RHP Ryan Helsley from the 15-day injured list to the 60-day injured list. Right elbow discomfort. |
| Jul 18 | Ryan Piech | Signed | Baltimore Orioles signed RHP Ryan Piech. |
| Jul 18 | Eric Booth Jr. | Signed | Baltimore Orioles signed OF Eric Booth Jr.. |
| Jul 18 | — | Trade | Kansas City Royals traded RF Rudy Martin Jr. to Baltimore Orioles for cash. |
| Jul 17 | Dominic Voegele | Signed | Baltimore Orioles signed RHP Dominic Voegele. |
| Jul 17 | Chris Bassitt | Status Change | Baltimore Orioles transferred RHP Chris Bassitt from the 15-day injured list to the 60-day injured list. Low back discomfort. |
| Jul 17 | Cam Sanders | Recalled | Baltimore Orioles recalled RHP Cam Sanders from Norfolk Tides. |
| Jul 16 | Yorvis Salazar | Signed as Free Agent | Baltimore Orioles signed free agent IF Yorvis Salazar to a minor league contract. |
| Jul 16 | Ruben Hernandez | Signed as Free Agent | Baltimore Orioles signed free agent IF Ruben Hernandez to a minor league contract. |
| Jul 16 | Christian Encarnacion-Strand | Recalled | Baltimore Orioles recalled 1B Christian Encarnacion-Strand from Norfolk Tides. |
| Jul 15 | Zane Adams | Signed | Baltimore Orioles signed LHP Zane Adams. |
| Jul 14 | Carlos Sanchez | Signed | Baltimore Orioles signed UT Carlos Sanchez. |
| Jul 13 | Nick Raquet | Optioned | Baltimore Orioles optioned LHP Nick Raquet to Norfolk Tides. |
| Jul 13 | Cam Sanders | Optioned | Baltimore Orioles optioned RHP Cam Sanders to Norfolk Tides. |
| Jul 13 | Cam Sanders | Trade | Pittsburgh Pirates traded RHP Cam Sanders to Baltimore Orioles for cash. |
| Jul 13 | Keegan Akin | Status Change | Baltimore Orioles transferred LHP Keegan Akin from the 15-day injured list to the 60-day injured list. Left elbow discomfort. |
| Jul 11 | Yaramil Hiraldo | Optioned | Baltimore Orioles optioned RHP Yaramil Hiraldo to Norfolk Tides. |
| Jul 11 | Yaramil Hiraldo | Status Change | Baltimore Orioles activated RHP Yaramil Hiraldo from the 60-day injured list. |
| Jul 8 | Chadwick Tromp | Outrighted | Baltimore Orioles sent C Chadwick Tromp outright to Norfolk Tides. |
| Jul 7 | MLB Player 844037 | Signed as Free Agent | Baltimore Orioles signed free agent IF Jonnathan Torres to a minor league contract. |
| Jul 7 | Jonnathan Torres | Signed as Free Agent | Baltimore Orioles signed free agent RHP Jonnathan Torres to a minor league contract. |
| Jul 7 | Eduin Rodriguez | Signed as Free Agent | Baltimore Orioles signed free agent LHP Eduin Rodriguez to a minor league contract. |
| Jul 7 | Kelvin Cadet | Signed as Free Agent | Baltimore Orioles signed free agent RHP Kelvin Cadet to a minor league contract. |
| Jul 7 | Nick Raquet | Recalled | Baltimore Orioles recalled LHP Nick Raquet from Norfolk Tides. |
| Jul 6 | Cameron Weston | Optioned | Baltimore Orioles optioned RHP Cameron Weston to Norfolk Tides. |
| Jul 4 | Dom Keegan | Outrighted | Baltimore Orioles sent C Dom Keegan outright to Chesapeake Baysox. |
| Jul 3 | Sam Huff | Signed as Free Agent | Baltimore Orioles signed free agent C Sam Huff to a minor league contract. |
| Jul 3 | Yaramil Hiraldo | Assigned | Baltimore Orioles sent RHP Yaramil Hiraldo on a rehab assignment to Norfolk Tides. |
| Jul 3 | Chadwick Tromp | Designated for Assignment | Baltimore Orioles designated C Chadwick Tromp for assignment. |
| Jul 3 | Ryan Helsley | Status Change | Baltimore Orioles placed RHP Ryan Helsley on the 15-day injured list retroactive to June 30, 2026. Right elbow discomfort. |
| Jul 3 | Anthony Nunez | Recalled | Baltimore Orioles recalled RHP Anthony Nunez from Norfolk Tides. |
| Jul 3 | Jeremiah Jackson | Recalled | Baltimore Orioles recalled 2B Jeremiah Jackson from Norfolk Tides. |
| Jul 1 | Kyle Nicolas | Trade | Baltimore Orioles traded RHP Kyle Nicolas to Washington Nationals for SS Randal Diaz. |
| Jul 1 | Dean Kremer | Status Change | Baltimore Orioles activated RHP Dean Kremer from the 60-day injured list. |
| Jul 1 | Cameron Weston | Recalled | Baltimore Orioles recalled RHP Cameron Weston from Norfolk Tides. |
| Jul 1 | Trey Gibson | Optioned | Baltimore Orioles optioned RHP Trey Gibson to Norfolk Tides. |
| Jul 1 | Josh Walker | Optioned | Baltimore Orioles optioned LHP Josh Walker to Norfolk Tides. |
| Jul 1 | Dom Keegan | Designated for Assignment | Baltimore Orioles designated C Dom Keegan for assignment. |
| Jun 30 | Yaramil Hiraldo | Assigned | Baltimore Orioles sent RHP Yaramil Hiraldo on a rehab assignment to Frederick Keys. |
| Jun 30 | Yaramil Hiraldo | Assigned | Baltimore Orioles sent RHP Yaramil Hiraldo on a rehab assignment to Frederick Keys. |
| Jun 30 | Sam Huff | Outrighted | Baltimore Orioles sent C Sam Huff outright to Norfolk Tides. |
| Jun 29 | Keegan Akin | Status Change | Baltimore Orioles placed LHP Keegan Akin on the 15-day injured list retroactive to June 28, 2026. Left elbow discomfort. |
| Jun 29 | Josh Walker | Recalled | Baltimore Orioles recalled LHP Josh Walker from Norfolk Tides. |
| Jun 28 | Dylan Beavers | Status Change | Baltimore Orioles activated LF Dylan Beavers from the 10-day injured list. |
| Jun 28 | Yosver Zulueta | Optioned | Baltimore Orioles optioned RHP Yosver Zulueta to Norfolk Tides. |
| Jun 28 | Yosver Zulueta | Claimed Off Waivers | Baltimore Orioles claimed RHP Yosver Zulueta off waivers from Chicago Cubs. |
| Jun 28 | Jeremiah Jackson | Optioned | Baltimore Orioles optioned 2B Jeremiah Jackson to Norfolk Tides. |
| Jun 28 | Sam Huff | Designated for Assignment | Baltimore Orioles designated C Sam Huff for assignment. |
| Jun 28 | Adley Rutschman | Status Change | Baltimore Orioles activated C Adley Rutschman from the 7-day injured list. |
| Jun 28 | Dylan Beavers | Status Change | Baltimore Orioles activated RF Dylan Beavers from the 10-day injured list. |
| Jun 27 | Cade Povich | Optioned | Baltimore Orioles optioned LHP Cade Povich to Chesapeake Baysox. |
| Jun 27 | Dom Keegan | Optioned | Baltimore Orioles optioned C Dom Keegan to Chesapeake Baysox. |
| Jun 27 | Dom Keegan | Claimed Off Waivers | Baltimore Orioles claimed C Dom Keegan off waivers from Tampa Bay Rays. |
| Jun 27 | Cade Povich | Status Change | Baltimore Orioles activated LHP Cade Povich from the 15-day injured list. |
| Jun 27 | Kyle Nicolas | Designated for Assignment | Baltimore Orioles designated RHP Kyle Nicolas for assignment. |
| Jun 25 | Jesus Gomez | Signed as Free Agent | Baltimore Orioles signed free agent IF Jesus Gomez to a minor league contract. |
| Jun 25 | Michael Siani | Outrighted | Baltimore Orioles sent CF Michael Siani outright to Norfolk Tides. |
| Jun 23 | Dylan Beavers | Assigned | Baltimore Orioles sent RF Dylan Beavers on a rehab assignment to Norfolk Tides. |
| Jun 22 | Michael Siani | Designated for Assignment | Baltimore Orioles designated CF Michael Siani for assignment. |
| Jun 22 | Chadwick Tromp | Selected | Baltimore Orioles selected the contract of C Chadwick Tromp from Norfolk Tides. |
| Jun 21 | Cade Povich | Assigned | Baltimore Orioles sent LHP Cade Povich on a rehab assignment to Chesapeake Baysox. |
| Jun 21 | Dean Kremer | Assigned | Baltimore Orioles sent RHP Dean Kremer on a rehab assignment to Norfolk Tides. |
| Jun 20 | Adley Rutschman | Status Change | Baltimore Orioles placed C Adley Rutschman on the 7-day injured list retroactive to June 19, 2026. Concussion. |
| Jun 20 | Michael Siani | Recalled | Baltimore Orioles recalled CF Michael Siani from Norfolk Tides. |
| Jun 18 | Dylan Beavers | Assigned | Baltimore Orioles sent RF Dylan Beavers on a rehab assignment to Chesapeake Baysox. |
| Jun 16 | Anthony Nunez | Optioned | Baltimore Orioles optioned RHP Anthony Nunez to Norfolk Tides. |
| Jun 16 | Ryan Helsley | Status Change | Baltimore Orioles activated RHP Ryan Helsley from the 15-day injured list. |
| Jun 13 | Jarol Capellan | Signed as Free Agent | Baltimore Orioles signed free agent SS Jarol Capellan to a minor league contract. |
| Jun 13 | Railin Tea | Signed as Free Agent | Baltimore Orioles signed free agent 2B Railin Tea to a minor league contract. |
| Jun 12 | Darling VIllalona | Signed as Free Agent | Baltimore Orioles signed free agent RHP Darling VIllalona to a minor league contract. |
| Jun 12 | Weston Wilson | Outrighted | Baltimore Orioles sent 3B Weston Wilson outright to Norfolk Tides. |
| Jun 11 | Fermin Magallanes | Signed as Free Agent | Baltimore Orioles signed free agent RHP Fermin Magallanes to a minor league contract. |
| Jun 11 | Ryan Helsley | Assigned | Baltimore Orioles sent RHP Ryan Helsley on a rehab assignment to Norfolk Tides. |
| Jun 10 | Chadwick Tromp | Signed as Free Agent | Baltimore Orioles signed free agent C Chadwick Tromp to a minor league contract. |
| Jun 8 | Eduarniel Núñez | Claimed Off Waivers | Chicago Cubs claimed RHP Eduarniel Núñez off waivers from Baltimore Orioles. |
| Jun 8 | Chris Bassitt | Status Change | Baltimore Orioles placed RHP Chris Bassitt on the 15-day injured list retroactive to June 5, 2026. Low back discomfort. |
| Jun 8 | Trey Gibson | Recalled | Baltimore Orioles recalled RHP Trey Gibson from Norfolk Tides. |
| Jun 6 | Weston Wilson | Designated for Assignment | Baltimore Orioles designated 3B Weston Wilson for assignment. |
| Jun 6 | Sam Huff | Selected | Baltimore Orioles selected the contract of C Sam Huff from Norfolk Tides. |
| Jun 4 | Kyle Nicolas | Optioned | Baltimore Orioles optioned RHP Kyle Nicolas to Norfolk Tides. |
| Jun 4 | — | Trade | Cincinnati Reds traded RHP Kyle Nicolas to Baltimore Orioles for cash. |
| Jun 4 | Eduarniel Núñez | Designated for Assignment | Baltimore Orioles designated RHP Eduarniel Núñez for assignment. |
| May 31 | Dietrich Enns | Outrighted | Baltimore Orioles sent LHP Dietrich Enns outright to Norfolk Tides. |
| May 31 | Pedro Tovar | Signed as Free Agent | Baltimore Orioles signed free agent OF Pedro Tovar to a minor league contract. |
| May 29 | Jake Dykhoff | Signed as Free Agent | Baltimore Orioles signed free agent RHP Jake Dykhoff to a minor league contract. |
| May 29 | Chris Kachmar | Signed as Free Agent | Baltimore Orioles signed free agent RHP Chris Kachmar to a minor league contract. |
| May 29 | Albert Suárez | Signed as Free Agent | Baltimore Orioles signed free agent RHP Albert Suárez. |
| May 29 | Cameron Weston | Optioned | Baltimore Orioles optioned RHP Cameron Weston to Norfolk Tides. |
| May 28 | Heston Kjerstad | Optioned | Baltimore Orioles optioned LF Heston Kjerstad to Norfolk Tides. |
| May 28 | Heston Kjerstad | Status Change | Baltimore Orioles activated LF Heston Kjerstad from the 60-day injured list. |
| May 28 | Cameron Weston | Selected | Baltimore Orioles selected the contract of RHP Cameron Weston from Norfolk Tides. |
| May 28 | Trey Gibson | Optioned | Baltimore Orioles optioned RHP Trey Gibson to Norfolk Tides. |
| May 28 | Albert Suárez | Declared Free Agency | RHP Albert Suárez elected free agency. |
| May 27 | Heston Kjerstad | Status Change | Baltimore Orioles reassigned LF Heston Kjerstad to the minor leagues. |
| May 27 | Nick Raquet | Optioned | Baltimore Orioles optioned LHP Nick Raquet to Norfolk Tides. |
| May 27 | Trey Gibson | Recalled | Baltimore Orioles recalled RHP Trey Gibson from Norfolk Tides. |
| May 26 | Henry Ramirez | Signed as Free Agent | Baltimore Orioles signed free agent RHP Henry Ramirez to a minor league contract. |
| May 26 | Mason Dinesen | Signed as Free Agent | Baltimore Orioles signed free agent SS Mason Dinesen to a minor league contract. |
| May 26 | Dietrich Enns | Designated for Assignment | Baltimore Orioles designated LHP Dietrich Enns for assignment. |
| May 26 | Nick Raquet | Recalled | Baltimore Orioles recalled LHP Nick Raquet from Norfolk Tides. |
| May 25 | Albert Suárez | Designated for Assignment | Baltimore Orioles designated RHP Albert Suárez for assignment. |
| May 24 | Grant Wolfram | Status Change | Baltimore Orioles activated LHP Grant Wolfram from the 15-day injured list. |
| May 21 | Stephen Still | Signed as Free Agent | Baltimore Orioles signed free agent LHP Stephen Still to a minor league contract. |
| May 21 | Andrew Herbert | Signed as Free Agent | Baltimore Orioles signed free agent RHP Andrew Herbert to a minor league contract. |
| May 21 | Jose Espada | Outrighted | Baltimore Orioles sent RHP Jose Espada outright to Norfolk Tides. |
| May 21 | Maverick Handley | Claimed Off Waivers | Atlanta Braves claimed C Maverick Handley off waivers from Baltimore Orioles. |
| May 19 | Maverick Handley | Designated for Assignment | Baltimore Orioles designated C Maverick Handley for assignment. |
| May 19 | Cameron Foster | Optioned | Baltimore Orioles optioned RHP Cameron Foster to Norfolk Tides. |
| May 19 | Albert Suárez | Selected | Baltimore Orioles selected the contract of RHP Albert Suárez from Norfolk Tides. |
| May 18 | Maverick Handley | Optioned | Baltimore Orioles optioned C Maverick Handley to Norfolk Tides. |
| May 18 | Jackson Holliday | Status Change | Baltimore Orioles activated 2B Jackson Holliday from the 10-day injured list. |
| May 18 | Jose Espada | Designated for Assignment | Baltimore Orioles designated RHP Jose Espada for assignment. |
| May 18 | Michael Siani | Optioned | Baltimore Orioles optioned CF Michael Siani to Norfolk Tides. |
| May 18 | Michael Siani | Claimed Off Waivers | Baltimore Orioles claimed CF Michael Siani off waivers from Los Angeles Dodgers. |
| May 17 | Christian Roa | Claimed Off Waivers | Chicago Cubs claimed RHP Christian Roa off waivers from Baltimore Orioles. |
| May 17 | Josh Walker | Optioned | Baltimore Orioles optioned LHP Josh Walker to Norfolk Tides. |
| May 17 | Cameron Foster | Recalled | Baltimore Orioles recalled RHP Cameron Foster from Norfolk Tides. |
| May 16 | Tommy Pham | Signed as Free Agent | Baltimore Orioles signed free agent LF Tommy Pham to a minor league contract. |
| May 15 | Marcos Reynoso | Signed as Free Agent | Baltimore Orioles signed free agent RHP Marcos Reynoso to a minor league contract. |
| May 15 | Eduarniel Núñez | Optioned | Baltimore Orioles optioned RHP Eduarniel Núñez to Norfolk Tides. |
| May 15 | — | Trade | Athletics traded RHP Eduarniel Núñez to Baltimore Orioles for cash. |
| May 15 | Christian Roa | Designated for Assignment | Baltimore Orioles designated RHP Christian Roa for assignment. |
| May 13 | Dylan Beavers | Status Change | Baltimore Orioles placed RF Dylan Beavers on the 10-day injured list retroactive to May 11, 2026. Right oblique strain. |
| May 13 | Maverick Handley | Recalled | Baltimore Orioles recalled C Maverick Handley from Chesapeake Baysox. |
| May 12 | Grant Wolfram | Status Change | Baltimore Orioles placed LHP Grant Wolfram on the 15-day injured list retroactive to May 9, 2026. Low back strain. |
| May 12 | Lou Trivino III | Declared Free Agency | RHP Lou Trivino elected free agency. |
| May 12 | Tyler Wells | Recalled | Baltimore Orioles recalled RHP Tyler Wells from Norfolk Tides. |
| May 12 | Heston Kjerstad | Assigned | Baltimore Orioles sent LF Heston Kjerstad on a rehab assignment to Norfolk Tides. |
| May 12 | Jackson Holliday | Assigned | Baltimore Orioles sent 2B Jackson Holliday on a rehab assignment to Norfolk Tides. |
| May 12 | Trevor Rogers | Status Change | Baltimore Orioles activated LHP Trevor Rogers from the 15-day injured list. |
| May 12 | Jose Espada | Optioned | Baltimore Orioles optioned RHP Jose Espada to Norfolk Tides. |
| May 11 | Enmanuel Rodriguez | Signed as Free Agent | Baltimore Orioles signed free agent RHP Enmanuel Rodriguez to a minor league contract. |
| May 11 | Trey Gibson | Optioned | Baltimore Orioles optioned RHP Trey Gibson to Norfolk Tides. |
| May 11 | Josh Walker | Selected | Baltimore Orioles selected the contract of LHP Josh Walker from Norfolk Tides. |
| May 10 | Christian Roa | Optioned | Baltimore Orioles optioned RHP Christian Roa to Norfolk Tides. |
| May 10 | Christian Roa | Claimed Off Waivers | Baltimore Orioles claimed RHP Christian Roa off waivers from Minnesota Twins. |
| May 10 | Lou Trivino III | Designated for Assignment | Baltimore Orioles designated RHP Lou Trivino for assignment. |
| May 10 | Jose Espada | Recalled | Baltimore Orioles recalled RHP Jose Espada from Norfolk Tides. |
| May 9 | Heston Kjerstad | Assigned | Baltimore Orioles sent LF Heston Kjerstad on a rehab assignment to Chesapeake Baysox. |
| May 8 | Maicol Lauriano | Status Change | RHP Maicol Lauriano roster status changed by Baltimore Orioles. |
| May 8 | — | Trade | Philadelphia Phillies traded RHP Enyel Garcia and RHP Maicol Lauriano to Baltimore Orioles for cash. |
| May 8 | Cade Povich | Status Change | Baltimore Orioles placed LHP Cade Povich on the 15-day injured list. Left elbow inflammation. |
| May 8 | Trey Gibson | Recalled | Baltimore Orioles recalled RHP Trey Gibson from Norfolk Tides. |
| May 7 | Jackson Holliday | Assigned | Baltimore Orioles sent 2B Jackson Holliday on a rehab assignment to Chesapeake Baysox. |
| May 4 | Lou Trivino III | Signed as Free Agent | Baltimore Orioles signed free agent RHP Lou Trivino. |
| May 4 | Albert Suárez | Outrighted | Baltimore Orioles sent RHP Albert Suárez outright to Norfolk Tides. |
| May 4 | Trey Gibson | Optioned | Baltimore Orioles optioned RHP Trey Gibson to Norfolk Tides. |
| May 3 | Nick Raquet | Optioned | Baltimore Orioles optioned LHP Nick Raquet to Norfolk Tides. |
| May 3 | Trey Gibson | Selected | Baltimore Orioles selected the contract of RHP Trey Gibson from Norfolk Tides. |
| May 2 | Albert Suárez | Designated for Assignment | Baltimore Orioles designated RHP Albert Suárez for assignment. |
| May 2 | Tyler Wells | Optioned | Baltimore Orioles optioned RHP Tyler Wells to Norfolk Tides. |
| May 2 | Nick Raquet | Recalled | Baltimore Orioles recalled LHP Nick Raquet from Norfolk Tides. |
| May 2 | Dietrich Enns | Status Change | Baltimore Orioles activated LHP Dietrich Enns from the 15-day injured list. |
| May 1 | Albert Suárez | Selected | Baltimore Orioles selected the contract of RHP Albert Suárez from Norfolk Tides. |
| May 1 | Ryan Helsley | Status Change | Baltimore Orioles placed RHP Ryan Helsley on the 15-day injured list retroactive to April 29, 2026. Right elbow inflammation. |
| May 1 | Cade Povich | Recalled | Baltimore Orioles recalled LHP Cade Povich from Norfolk Tides. |
| May 1 | Cameron Foster | Optioned | Baltimore Orioles optioned RHP Cameron Foster to Norfolk Tides. |
| May 1 | Jose Espada | Optioned | Baltimore Orioles optioned RHP Jose Espada to Norfolk Tides. |
| Apr 30 | Albert Suárez | Signed as Free Agent | Baltimore Orioles signed free agent RHP Albert Suárez to a minor league contract. |
| Apr 30 | Jose Espada | Recalled | Baltimore Orioles recalled RHP Jose Espada from Chesapeake Baysox. |
| Apr 29 | Trevor Rogers | Status Change | Baltimore Orioles placed LHP Trevor Rogers on the 15-day injured list retroactive to April 26, 2026. Illness. |
| Apr 29 | Albert Suárez | Declared Free Agency | RHP Albert Suárez elected free agency. |
| Apr 29 | Cameron Foster | Recalled | Baltimore Orioles recalled RHP Cameron Foster from Norfolk Tides. |
| Apr 28 | Maicor Degollado | Signed as Free Agent | Baltimore Orioles signed free agent SS Maicor Degollado to a minor league contract. |
| Apr 27 | Anthony Steele | Signed as Free Agent | Baltimore Orioles signed free agent LHP Anthony Steele to a minor league contract. |
| Apr 26 | Trevor Rogers | Status Change | Baltimore Orioles placed LHP Trevor Rogers on the 15-day injured list. Illness. |
| Apr 26 | Zac Lampton | Signed as Free Agent | Baltimore Orioles signed free agent LHP Zac Lampton to a minor league contract. |
| Apr 26 | Albert Suárez | Designated for Assignment | Baltimore Orioles designated RHP Albert Suárez for assignment. |
| Apr 26 | Ryan Helsley | Status Change | Baltimore Orioles activated RHP Ryan Helsley from the bereavement list. |
| Apr 25 | Sam Huff | Signed as Free Agent | Baltimore Orioles signed free agent C Sam Huff to a minor league contract. |
| Apr 25 | Cameron Foster | Optioned | Baltimore Orioles optioned RHP Cameron Foster to Norfolk Tides. |
| Apr 25 | Keegan Akin | Status Change | Baltimore Orioles activated LHP Keegan Akin from the 15-day injured list. |
| Apr 24 | Jose Espada | Optioned | Baltimore Orioles optioned RHP Jose Espada to Chesapeake Baysox. |
| Apr 24 | Johnathan Rodríguez | Optioned | Baltimore Orioles optioned RF Johnathan Rodríguez to Norfolk Tides. |
| Apr 24 | Andrew Kittredge | Status Change | Baltimore Orioles activated RHP Andrew Kittredge from the 15-day injured list. |
| Apr 24 | Tyler O'Neill | Status Change | Baltimore Orioles activated RF Tyler O'Neill from the 7-day injured list. |
| Apr 23 | Sam Huff | Declared Free Agency | C Sam Huff elected free agency. |
| Apr 23 | Dean Kremer | Status Change | Baltimore Orioles placed RHP Dean Kremer on the 15-day injured list retroactive to April 20, 2026. Right quad strain. |
| Apr 23 | Brandon Young | Recalled | Baltimore Orioles recalled RHP Brandon Young from Norfolk Tides. |
| Apr 22 | Ryan Helsley | Status Change | Baltimore Orioles placed RHP Ryan Helsley on the bereavement list. |
| Apr 22 | Jose Espada | Recalled | Baltimore Orioles recalled RHP Jose Espada from Norfolk Tides. |
| Apr 21 | Jackson Holliday | Assigned | Baltimore Orioles sent 2B Jackson Holliday on a rehab assignment to Norfolk Tides. |
| Apr 21 | Johnny Tincher | Signed as Free Agent | Baltimore Orioles signed free agent C Johnny Tincher to a minor league contract. |
| Apr 21 | Sam Huff | Designated for Assignment | Baltimore Orioles designated C Sam Huff for assignment. |
| Apr 21 | Adley Rutschman | Status Change | Baltimore Orioles activated C Adley Rutschman from the 10-day injured list. |
| Apr 19 | Jayvien Sandridge | Outrighted | Baltimore Orioles sent LHP Jayvien Sandridge outright to Norfolk Tides. |
| Apr 18 | Dietrich Enns | Assigned | Baltimore Orioles sent LHP Dietrich Enns on a rehab assignment to Norfolk Tides. |
| Apr 18 | Jackson Holliday | Assigned | Baltimore Orioles sent 2B Jackson Holliday on a rehab assignment to Frederick Keys. |
| Apr 17 | Andrew Kittredge | Assigned | Baltimore Orioles sent RHP Andrew Kittredge on a rehab assignment to Norfolk Tides. |
| Apr 17 | Brendan Parks | Signed as Free Agent | Baltimore Orioles signed free agent LHP Brendan Parks to a minor league contract. |
| Apr 17 | Jason Shockley | Signed as Free Agent | Baltimore Orioles signed free agent RHP Jason Shockley to a minor league contract. |
| Apr 17 | Andrew Kittredge | Assigned | Baltimore Orioles sent RHP Andrew Kittredge on a rehab assignment to Norfolk Tides. |
| Apr 16 | Grant Wolfram | Status Change | Baltimore Orioles activated LHP Grant Wolfram. |
| Apr 16 | Trevor Rogers | Status Change | Baltimore Orioles activated LHP Trevor Rogers. |
| Apr 16 | Axel Perez | Status Change | RHP Axel Perez roster status changed by Baltimore Orioles. |
| Apr 16 | Axel Perez | Trade | Los Angeles Dodgers traded RHP Axel Perez to Baltimore Orioles for RHP Chayce McDermott. |
| Apr 16 | Maverick Handley | Optioned | Baltimore Orioles optioned C Maverick Handley to Norfolk Tides. |
| Apr 16 | Cameron Foster | Recalled | Baltimore Orioles recalled RHP Cameron Foster from Norfolk Tides. |
| Apr 16 | Sam Huff | Number Change | C Sam Huff changed number to 31. |
| Apr 16 | Samuel Basallo | Number Change | C Samuel Basallo changed number to 29. |
| Apr 16 | Pete Alonso | Number Change | 1B Pete Alonso changed number to 25. |
| Apr 16 | Blaze Alexander | Number Change | SS Blaze Alexander changed number to 23. |
| Apr 16 | Maverick Handley | Number Change | C Maverick Handley changed number to 98. |
| Apr 16 | Rico Garcia | Number Change | RHP Rico Garcia changed number to 50. |
| Apr 16 | Dylan Beavers | Number Change | RF Dylan Beavers changed number to 12. |
| Apr 16 | Shane Baz | Number Change | RHP Shane Baz changed number to 34. |
| Apr 16 | Chris Bassitt | Number Change | RHP Chris Bassitt changed number to 40. |
| Apr 16 | Kyle Bradish | Number Change | RHP Kyle Bradish changed number to 38. |
| Apr 16 | Colton Cowser | Number Change | LF Colton Cowser changed number to 17. |
| Apr 16 | Yennier Cano | Number Change | RHP Yennier Cano changed number to 78. |
| Apr 16 | Ryan Helsley | Number Change | RHP Ryan Helsley changed number to 21. |
| Apr 16 | Jeremiah Jackson | Number Change | 2B Jeremiah Jackson changed number to 82. |
| Apr 16 | Gunnar Henderson | Number Change | SS Gunnar Henderson changed number to 2. |
| Apr 16 | Dean Kremer | Number Change | RHP Dean Kremer changed number to 64. |
| Apr 16 | Anthony Nunez | Number Change | RHP Anthony Nunez changed number to 66. |
| Apr 16 | Coby Mayo | Number Change | 1B Coby Mayo changed number to 16. |
| Apr 16 | Johnathan Rodríguez | Number Change | RF Johnathan Rodríguez changed number to 62. |
| Apr 16 | Albert Suárez | Number Change | RHP Albert Suárez changed number to 49. |
| Apr 16 | Trevor Rogers | Number Change | LHP Trevor Rogers changed number to 28. |
| Apr 16 | Leody Taveras | Number Change | OF Leody Taveras changed number to 30. |
| Apr 16 | Taylor Ward | Number Change | LF Taylor Ward changed number to 3. |
| Apr 16 | Tyler Wells | Number Change | RHP Tyler Wells changed number to 68. |
| Apr 16 | Weston Wilson | Number Change | LF Weston Wilson changed number to 32. |
| Apr 16 | Grant Wolfram | Number Change | LHP Grant Wolfram changed number to 48. |
| Apr 15 | Riley Cooper | Signed as Free Agent | Baltimore Orioles signed free agent LHP Riley Cooper to a minor league contract. |
| Apr 15 | Keegan Akin | Assigned | Baltimore Orioles sent LHP Keegan Akin on a rehab assignment to Norfolk Tides. |
| Apr 15 | Nick Raquet | Optioned | Baltimore Orioles optioned LHP Nick Raquet to Norfolk Tides. |
| Apr 15 | Sam Huff | Selected | Baltimore Orioles selected the contract of C Sam Huff from Norfolk Tides. |
| Apr 15 | Jayvien Sandridge | Designated for Assignment | Baltimore Orioles designated LHP Jayvien Sandridge for assignment. |
| Apr 15 | Weston Wilson | Number Change | LF Weston Wilson changed number to 42. |
| Apr 15 | Pete Alonso | Number Change | 1B Pete Alonso changed number to 42. |
| Apr 15 | Shane Baz | Number Change | RHP Shane Baz changed number to 42. |
| Apr 15 | Yennier Cano | Number Change | RHP Yennier Cano changed number to 42. |
| Apr 15 | Rico Garcia | Number Change | RHP Rico Garcia changed number to 42. |
| Apr 15 | Albert Suárez | Number Change | RHP Albert Suárez changed number to 42. |
| Apr 15 | Chris Bassitt | Number Change | RHP Chris Bassitt changed number to 42. |
| Apr 15 | Colton Cowser | Number Change | LF Colton Cowser changed number to 42. |
| Apr 15 | Maverick Handley | Number Change | C Maverick Handley changed number to 42. |
| Apr 15 | Blaze Alexander | Number Change | SS Blaze Alexander changed number to 42. |
| Apr 15 | Grant Wolfram | Number Change | LHP Grant Wolfram changed number to 42. |
| Apr 15 | Tyler Wells | Number Change | RHP Tyler Wells changed number to 42. |
| Apr 15 | Leody Taveras | Number Change | OF Leody Taveras changed number to 42. |
| Apr 15 | Jeremiah Jackson | Number Change | 2B Jeremiah Jackson changed number to 42. |
| Apr 15 | Ryan Helsley | Number Change | RHP Ryan Helsley changed number to 42. |
| Apr 15 | Gunnar Henderson | Number Change | SS Gunnar Henderson changed number to 42. |
| Apr 15 | Johnathan Rodríguez | Number Change | RF Johnathan Rodríguez changed number to 42. |
| Apr 15 | Samuel Basallo | Number Change | C Samuel Basallo changed number to 42. |
| Apr 15 | Kyle Bradish | Number Change | RHP Kyle Bradish changed number to 42. |
| Apr 15 | Dean Kremer | Number Change | RHP Dean Kremer changed number to 42. |
| Apr 15 | Anthony Nunez | Number Change | RHP Anthony Nunez changed number to 42. |
| Apr 15 | Coby Mayo | Number Change | 1B Coby Mayo changed number to 42. |
| Apr 15 | Trevor Rogers | Number Change | LHP Trevor Rogers changed number to 42. |
| Apr 15 | Taylor Ward | Number Change | LF Taylor Ward changed number to 42. |
| Apr 15 | Dylan Beavers | Number Change | RF Dylan Beavers changed number to 42. |
| Apr 13 | Yaramil Hiraldo | Status Change | Baltimore Orioles transferred RHP Yaramil Hiraldo from the 15-day injured list to the 60-day injured list. Right shoulder inflammation. |
| Apr 13 | Christian Encarnacion-Strand | Optioned | Baltimore Orioles optioned 1B Christian Encarnacion-Strand to Norfolk Tides. |
| Apr 13 | — | Trade | Cincinnati Reds traded 1B Christian Encarnacion-Strand to Baltimore Orioles for cash. |
| Apr 13 | Weston Wilson | Selected | Baltimore Orioles selected the contract of LF Weston Wilson from Norfolk Tides. |
| Apr 13 | Ryan Mountcastle | Status Change | Baltimore Orioles placed 1B Ryan Mountcastle on the 60-day injured list. Left foot fracture. |
| Apr 13 | Cade Povich | Optioned | Baltimore Orioles optioned LHP Cade Povich to Norfolk Tides. |
| Apr 13 | Dean Kremer | Recalled | Baltimore Orioles recalled RHP Dean Kremer from Norfolk Tides. |
| Apr 12 | Johnathan Rodríguez | Recalled | Baltimore Orioles recalled RF Johnathan Rodríguez from Norfolk Tides. |
| Apr 12 | Tyler O'Neill | Status Change | Baltimore Orioles placed RF Tyler O'Neill on the 7-day injured list retroactive to April 9, 2026. Concussion. |
| Apr 11 | Chayce McDermott | Designated for Assignment | Baltimore Orioles designated RHP Chayce McDermott for assignment. |
| Apr 11 | Adley Rutschman | Status Change | Baltimore Orioles placed C Adley Rutschman on the 10-day injured list. Left ankle inflammation. |
| Apr 11 | Maverick Handley | Selected | Baltimore Orioles selected the contract of C Maverick Handley from Chesapeake Baysox. |
| Apr 7 | Nick Raquet | Status Change | Baltimore Orioles activated LHP Nick Raquet. |
| Apr 7 | Brandon Young | Optioned | Baltimore Orioles optioned RHP Brandon Young to Norfolk Tides. |
| Apr 7 | Brayden Smith | Trade | St. Louis Cardinals traded LHP Nick Raquet to Baltimore Orioles for 2B Brayden Smith. |
| Apr 7 | Zach Eflin | Status Change | Baltimore Orioles transferred RHP Zach Eflin from the 15-day injured list to the 60-day injured list. Right elbow discomfort. |
| Apr 6 | Josnaider Orellana | Signed as Free Agent | Baltimore Orioles signed free agent C Josnaider Orellana to a minor league contract. |
| Apr 6 | Roberto Gabot | Signed as Free Agent | Baltimore Orioles signed free agent IF Roberto Gabot to a minor league contract. |
| Apr 6 | Dietrich Enns | Status Change | Baltimore Orioles placed LHP Dietrich Enns on the 15-day injured list retroactive to April 4, 2026. Left foot infection. |
| Apr 6 | Brandon Young | Recalled | Baltimore Orioles recalled RHP Brandon Young from Norfolk Tides. |
| Apr 5 | Yaramil Hiraldo | Status Change | Baltimore Orioles placed RHP Yaramil Hiraldo on the 15-day injured list retroactive to April 2, 2026. Right shoulder inflammation. |
| Apr 5 | Cade Povich | Recalled | Baltimore Orioles recalled LHP Cade Povich from Norfolk Tides. |
| Apr 1 | Andrew Kittredge | Assigned | Baltimore Orioles sent RHP Andrew Kittredge on a rehab assignment to Norfolk Tides. |
| Apr 1 | Zach Eflin | Status Change | Baltimore Orioles placed RHP Zach Eflin on the 15-day injured list. Right elbow discomfort. |
| Apr 1 | Albert Suárez | Selected | Baltimore Orioles selected the contract of RHP Albert Suárez from Norfolk Tides. |
| Apr 1 | Jordan Westburg | Status Change | Baltimore Orioles transferred 3B Jordan Westburg from the 10-day injured list to the 60-day injured list. Right elbow UCL sprain. |
| Mar 29 | Johnathan Rodríguez | Optioned | Baltimore Orioles optioned RF Johnathan Rodríguez to Norfolk Tides. |
| Mar 29 | Johnathan Rodríguez | Trade | Cleveland Guardians traded RF Johnathan Rodríguez to Baltimore Orioles for RHP Carter Rustad. |
| Mar 29 | Jayvien Sandridge | Optioned | Baltimore Orioles optioned LHP Jayvien Sandridge to Norfolk Tides. |
| Mar 29 | Jayvien Sandridge | Trade | Los Angeles Angels traded LHP Jayvien Sandridge to Baltimore Orioles for cash. |
| Mar 27 | Jackson Holliday | Assigned | Baltimore Orioles sent 2B Jackson Holliday on a rehab assignment to Norfolk Tides. |
| Mar 26 | Bryan Ramos | Outrighted | Baltimore Orioles sent 3B Bryan Ramos outright to Norfolk Tides. |
| Mar 26 | Jackson Kowar | Outrighted | Baltimore Orioles sent RHP Jackson Kowar outright to Norfolk Tides. |
| Mar 25 | Jordan Westburg | Status Change | Baltimore Orioles placed 3B Jordan Westburg on the 10-day injured list retroactive to March 22, 2026. Right elbow UCL sprain. |
| Mar 25 | Keegan Akin | Status Change | Baltimore Orioles placed LHP Keegan Akin on the 15-day injured list retroactive to March 22, 2026. Left groin strain. |
| Mar 25 | Hans Crouse | Assigned | RHP Hans Crouse assigned to Baltimore Orioles. |
| Mar 25 | Anthony Nunez | Recalled | Baltimore Orioles recalled RHP Anthony Nunez from Norfolk Tides. |
| Mar 25 | Andrew Kittredge | Status Change | Baltimore Orioles placed RHP Andrew Kittredge on the 15-day injured list retroactive to March 22, 2026. Right shoulder inflammation. |
| Mar 25 | Heston Kjerstad | Status Change | Baltimore Orioles placed LF Heston Kjerstad on the 10-day injured list retroactive to March 22, 2026. Right hamstring strain. |
| Mar 25 | Jackson Holliday | Status Change | Baltimore Orioles placed 2B Jackson Holliday on the 10-day injured list retroactive to March 22, 2026. Right hamate surgery. |
| Mar 25 | Bryan Ramos | Designated for Assignment | Baltimore Orioles designated 3B Bryan Ramos for assignment. |
| Mar 25 | Jackson Kowar | Designated for Assignment | Baltimore Orioles designated RHP Jackson Kowar for assignment. |
| Mar 23 | Thairo Estrada | Released | Baltimore Orioles released 2B Thairo Estrada. |
| Mar 23 | Jean Henriquez | Assigned | RHP Jean Henriquez assigned to Baltimore Orioles. |
| Mar 21 | Dean Kremer | Optioned | Baltimore Orioles optioned RHP Dean Kremer to Norfolk Tides. |
| Mar 21 | Carson Dorsey | Assigned | LHP Carson Dorsey assigned to Baltimore Orioles. |
| Mar 20 | Elvis Peguero | Signed as Free Agent | Baltimore Orioles signed free agent RHP Elvis Peguero to a minor league contract. |
| Mar 20 | Max Wagner | Released | Baltimore Orioles released 3B Max Wagner. |
| Mar 20 | Dylan Heid | Released | Baltimore Orioles released RHP Dylan Heid. |
| Mar 19 | Max Wagner | Assigned | 3B Max Wagner assigned to Baltimore Orioles. |
| Mar 18 | Carter Young | Assigned | SS Carter Young assigned to Baltimore Orioles. |
| Mar 18 | Jose Espada | Optioned | Baltimore Orioles optioned RHP Jose Espada to Norfolk Tides. |
| Mar 17 | Elis Cuevas | Status Change | 2B Elis Cuevas roster status changed by Baltimore Orioles. |
| Mar 17 | Elis Cuevas | Assigned | 2B Elis Cuevas assigned to Baltimore Orioles. |
| Mar 17 | Braylin Tavera | Assigned | CF Braylin Tavera assigned to Baltimore Orioles. |
| Mar 17 | Anderson De Los Santos | Assigned | 3B Anderson De Los Santos assigned to Baltimore Orioles. |
| Mar 17 | Maikol Hernández | Assigned | SS Maikol Hernández assigned to Baltimore Orioles. |
| Mar 17 | Leandro Arias | Assigned | 2B Leandro Arias assigned to Baltimore Orioles. |
| Mar 17 | Braeden Sloan | Assigned | LHP Braeden Sloan assigned to Baltimore Orioles. |
| Mar 15 | Cade Povich | Optioned | Baltimore Orioles optioned LHP Cade Povich to Norfolk Tides. |
| Mar 15 | Evan Yates | Assigned | RHP Evan Yates assigned to Baltimore Orioles. |
| Mar 14 | Victor Figueroa | Assigned | 1B Victor Figueroa assigned to Baltimore Orioles. |
| Mar 11 | Ryan Stafford | Assigned | C Ryan Stafford assigned to Baltimore Orioles. |
| Mar 9 | TT Bowens | Status Change | 1B TT Bowens roster status changed by Baltimore Orioles. |
| Mar 9 | TT Bowens | Assigned | 1B TT Bowens assigned to Baltimore Orioles. |
| Mar 9 | Ryan Cabarcas | Assigned | LHP Ryan Cabarcas assigned to Baltimore Orioles. |
| Mar 8 | Cameron Foster | Optioned | Baltimore Orioles optioned RHP Cameron Foster to Norfolk Tides. |
| Mar 8 | Anthony Nunez | Optioned | Baltimore Orioles optioned RHP Anthony Nunez to Norfolk Tides. |
| Mar 8 | Fernando Peguero | Assigned | OF Fernando Peguero assigned to Baltimore Orioles. |
| Mar 8 | Sebastian Gongora | Assigned | LHP Sebastian Gongora assigned to Baltimore Orioles. |
| Mar 8 | Brandon Downer | Assigned | RHP Brandon Downer assigned to Baltimore Orioles. |
| Mar 8 | Joseph Dzierwa | Assigned | LHP Joseph Dzierwa assigned to Baltimore Orioles. |
| Mar 8 | Reed Trimble | Optioned | Baltimore Orioles optioned LF Reed Trimble to Norfolk Tides. |
| Mar 7 | Tavian Josenberger | Assigned | LF Tavian Josenberger assigned to Baltimore Orioles. |
| Mar 7 | Joephillip Guzman | Assigned | 2B Joephillip Guzman assigned to Baltimore Orioles. |
| Mar 7 | Boston Bateman | Assigned | LHP Boston Bateman assigned to Baltimore Orioles. |
| Mar 7 | Brayden Smith | Status Change | 2B Brayden Smith roster status changed by Baltimore Orioles. |
| Mar 7 | Brayden Smith | Assigned | 2B Brayden Smith assigned to Baltimore Orioles. |
| Mar 7 | Brandon Young | Optioned | Baltimore Orioles optioned RHP Brandon Young to Norfolk Tides. |
| Mar 6 | Sayer Diederich | Status Change | LHP Sayer Diederich roster status changed by Baltimore Orioles. |
| Mar 6 | Jacob Cravey | Assigned | RHP Jacob Cravey assigned to Baltimore Orioles. |
| Mar 6 | Sayer Diederich | Assigned | LHP Sayer Diederich assigned to Baltimore Orioles. |
| Mar 6 | Eccel Correa | Assigned | RHP Eccel Correa assigned to Baltimore Orioles. |
| Mar 5 | Douglas Hodo III | Status Change | CF Douglas Hodo III roster status changed by Baltimore Orioles. |
| Mar 5 | Douglas Hodo III | Status Change | CF Douglas Hodo III roster status changed by Baltimore Orioles. |
| Mar 5 | Douglas Hodo III | Assigned | CF Douglas Hodo III assigned to Baltimore Orioles. |
| Mar 3 | Joseph Moschetto | Signed as Free Agent | Baltimore Orioles signed free agent RHP Joseph Moschetto to a minor league contract. |
| Mar 3 | Chayce McDermott | Optioned | Baltimore Orioles optioned RHP Chayce McDermott to Norfolk Tides. |
| Feb 28 | Juan Ortega | Assigned | C Juan Ortega assigned to Baltimore Orioles. |
| Feb 25 | Wehiwa Aloy | Assigned | SS Wehiwa Aloy assigned to Baltimore Orioles. |
| Feb 24 | Joe Glassey | Status Change | RHP Joe Glassey roster status changed by Baltimore Orioles. |
| Feb 24 | Joe Glassey | Status Change | RHP Joe Glassey roster status changed by Baltimore Orioles. |
| Feb 24 | Alex Pham | Status Change | RHP Alex Pham roster status changed by Baltimore Orioles. |
| Feb 24 | Alex Pham | Assigned | RHP Alex Pham assigned to Baltimore Orioles. |
| Feb 24 | Joe Glassey | Assigned | RHP Joe Glassey assigned to Baltimore Orioles. |
| Feb 23 | Jordan Sanchez | Status Change | OF Jordan Sanchez roster status changed by Baltimore Orioles. |
| Feb 23 | Vance Honeycutt | Status Change | CF Vance Honeycutt roster status changed by Baltimore Orioles. |
| Feb 23 | Vance Honeycutt | Assigned | CF Vance Honeycutt assigned to Baltimore Orioles. |
| Feb 23 | Jordan Sanchez | Assigned | OF Jordan Sanchez assigned to Baltimore Orioles. |
| Feb 23 | Colin Yeaman | Assigned | 3B Colin Yeaman assigned to Baltimore Orioles. |
| Feb 23 | Tyson Neighbors | Assigned | RHP Tyson Neighbors assigned to Baltimore Orioles. |
| Feb 23 | Thairo Estrada | Signed as Free Agent | Baltimore Orioles signed free agent 2B Thairo Estrada to a minor league contract and invited him to spring training. |
| Feb 22 | Kenny Leiner | Status Change | RHP Kenny Leiner roster status changed by Baltimore Orioles. |
| Feb 22 | Kenny Leiner | Status Change | RHP Kenny Leiner roster status changed by Baltimore Orioles. |
| Feb 22 | Cohen Achen | Status Change | RHP Cohen Achen roster status changed by Baltimore Orioles. |
| Feb 22 | Chandler Marsh | Status Change | RHP Chandler Marsh roster status changed by Baltimore Orioles. |
| Feb 22 | Cobb Hightower | Status Change | SS Cobb Hightower roster status changed by Baltimore Orioles. |
| Feb 22 | Cobb Hightower | Status Change | SS Cobb Hightower roster status changed by Baltimore Orioles. |
| Feb 22 | Cobb Hightower | Status Change | SS Cobb Hightower roster status changed by Baltimore Orioles. |
| Feb 22 | Kenny Leiner | Status Change | RHP Kenny Leiner roster status changed by Baltimore Orioles. |
| Feb 22 | Cohen Achen | Status Change | RHP Cohen Achen roster status changed by Baltimore Orioles. |
| Feb 22 | Gerald Ogando | Status Change | RHP Gerald Ogando roster status changed by Baltimore Orioles. |
| Feb 22 | Chandler Marsh | Status Change | RHP Chandler Marsh roster status changed by Baltimore Orioles. |
| Feb 22 | Cohen Achen | Status Change | RHP Cohen Achen roster status changed by Baltimore Orioles. |
| Feb 22 | Cobb Hightower | Assigned | SS Cobb Hightower assigned to Baltimore Orioles. |
| Feb 22 | Adam Retzbach | Assigned | C Adam Retzbach assigned to Baltimore Orioles. |
| Feb 22 | Chandler Marsh | Assigned | RHP Chandler Marsh assigned to Baltimore Orioles. |
| Feb 22 | Kenny Leiner | Assigned | RHP Kenny Leiner assigned to Baltimore Orioles. |
| Feb 22 | Cohen Achen | Assigned | RHP Cohen Achen assigned to Baltimore Orioles. |
| Feb 22 | Christian Herberholz | Assigned | RHP Christian Herberholz assigned to Baltimore Orioles. |
| Feb 22 | Gerald Ogando | Assigned | RHP Gerald Ogando assigned to Baltimore Orioles. |
| Feb 22 | Yaqui Rivera | Assigned | RHP Yaqui Rivera assigned to Baltimore Orioles. |
| Feb 21 | Daniel Lloyd | Status Change | RHP Daniel Lloyd roster status changed by Baltimore Orioles. |
| Feb 21 | Griff O'Ferrall | Status Change | SS Griff O'Ferrall roster status changed by Baltimore Orioles. |
| Feb 21 | Thomas Sosa | Status Change | CF Thomas Sosa roster status changed by Baltimore Orioles. |
| Feb 21 | Nate George | Status Change | OF Nate George roster status changed by Baltimore Orioles. |
| Feb 21 | Colin Tuft | Status Change | C Colin Tuft roster status changed by Baltimore Orioles. |
| Feb 21 | Daniel Lloyd | Status Change | RHP Daniel Lloyd roster status changed by Baltimore Orioles. |
| Feb 21 | Nate George | Status Change | OF Nate George roster status changed by Baltimore Orioles. |
| Feb 21 | Ben Vespi | Status Change | RHP Ben Vespi roster status changed by Baltimore Orioles. |
| Feb 21 | Thomas Sosa | Status Change | CF Thomas Sosa roster status changed by Baltimore Orioles. |
| Feb 21 | Colin Tuft | Status Change | C Colin Tuft roster status changed by Baltimore Orioles. |
| Feb 21 | Jaiden Lo Re | Status Change | SS Jaiden Lo Re roster status changed by Baltimore Orioles. |
| Feb 21 | Griff O'Ferrall | Status Change | SS Griff O'Ferrall roster status changed by Baltimore Orioles. |
| Feb 21 | Thomas Sosa | Status Change | CF Thomas Sosa roster status changed by Baltimore Orioles. |
| Feb 21 | Thomas Sosa | Assigned | CF Thomas Sosa assigned to Baltimore Orioles. |
| Feb 21 | Nate George | Assigned | OF Nate George assigned to Baltimore Orioles. |
| Feb 21 | Jaiden Lo Re | Assigned | SS Jaiden Lo Re assigned to Baltimore Orioles. |
| Feb 21 | Colin Tuft | Assigned | C Colin Tuft assigned to Baltimore Orioles. |
| Feb 21 | Carter Rustad | Assigned | RHP Carter Rustad assigned to Baltimore Orioles. |
| Feb 21 | Daniel Lloyd | Assigned | RHP Daniel Lloyd assigned to Baltimore Orioles. |
| Feb 21 | Micah Ashman | Assigned | LHP Micah Ashman assigned to Baltimore Orioles. |
| Feb 21 | Ben Vespi | Assigned | RHP Ben Vespi assigned to Baltimore Orioles. |
| Feb 21 | Griff O'Ferrall | Assigned | SS Griff O'Ferrall assigned to Baltimore Orioles. |
| Feb 20 | Félix Bautista | Status Change | Baltimore Orioles placed RHP Félix Bautista on the 60-day injured list. Right shoulder surgery. |
| Feb 20 | Joshua Liranzo | Status Change | 3B Joshua Liranzo roster status changed by Baltimore Orioles. |
| Feb 20 | Brandon Butterworth | Status Change | SS Brandon Butterworth roster status changed by Baltimore Orioles. |
| Feb 20 | Zane Barnhart | Status Change | RHP Zane Barnhart roster status changed by Baltimore Orioles. |
| Feb 20 | Dylan Heid | Status Change | RHP Dylan Heid roster status changed by Baltimore Orioles. |
| Feb 20 | Zane Barnhart | Status Change | RHP Zane Barnhart roster status changed by Baltimore Orioles. |
| Feb 20 | RJ Austin | Status Change | CF RJ Austin roster status changed by Baltimore Orioles. |
| Feb 20 | Ryan Long | Status Change | RHP Ryan Long roster status changed by Baltimore Orioles. |
| Feb 20 | Brandon Butterworth | Status Change | SS Brandon Butterworth roster status changed by Baltimore Orioles. |
| Feb 20 | Joshua Liranzo | Status Change | 3B Joshua Liranzo roster status changed by Baltimore Orioles. |
| Feb 20 | Bryan Ramos | Claimed Off Waivers | Baltimore Orioles claimed 3B Bryan Ramos off waivers from St. Louis Cardinals. |
| Feb 20 | Ike Irish | Assigned | C Ike Irish assigned to Baltimore Orioles. |
| Feb 20 | RJ Austin | Assigned | CF RJ Austin assigned to Baltimore Orioles. |
| Feb 20 | Joshua Liranzo | Assigned | 3B Joshua Liranzo assigned to Baltimore Orioles. |
| Feb 20 | Brandon Butterworth | Status Change | SS Brandon Butterworth roster status changed by Baltimore Orioles. |
| Feb 20 | Ryan Long | Assigned | RHP Ryan Long assigned to Baltimore Orioles. |
| Feb 20 | Zane Barnhart | Assigned | RHP Zane Barnhart assigned to Baltimore Orioles. |
| Feb 20 | Dylan Heid | Assigned | RHP Dylan Heid assigned to Baltimore Orioles. |
| Feb 20 | Carlos Tavera | Assigned | RHP Carlos Tavera assigned to Baltimore Orioles. |
| Feb 20 | Brandon Butterworth | Assigned | SS Brandon Butterworth assigned to Baltimore Orioles. |
| Feb 19 | Wanel Celestin | Signed as Free Agent | Baltimore Orioles signed free agent OF Wanel Celestin to a minor league contract. |
| Feb 18 | Roberto Geraldo | Signed as Free Agent | Baltimore Orioles signed free agent RHP Roberto Geraldo to a minor league contract. |
| Feb 14 | — | Trade | Minnesota Twins traded RHP Jackson Kowar to Baltimore Orioles for cash. |
| Feb 14 | Colin Selby | Status Change | Baltimore Orioles placed RHP Colin Selby on the 60-day injured list. Right shoulder inflammation. |
| Feb 13 | Chris Bassitt | Signed as Free Agent | Baltimore Orioles signed free agent RHP Chris Bassitt. |
| Feb 7 | Weston Wilson | Assigned | Baltimore Orioles invited non-roster LF Weston Wilson to spring training. |
| Feb 6 | Bryan Ramos | Claimed Off Waivers | St. Louis Cardinals claimed 3B Bryan Ramos off waivers from Baltimore Orioles. |
| Feb 6 | Weston Wilson | Outrighted | Baltimore Orioles sent LF Weston Wilson outright to Norfolk Tides. |
| Feb 5 | Blaze Alexander | Status Change | Baltimore Orioles activated SS Blaze Alexander. |
| Feb 5 | Kade Strowd | Trade | Arizona Diamondbacks traded SS Blaze Alexander to Baltimore Orioles for RHP Kade Strowd, RHP Wellington Aracena and 2B José Mejía. |
| Feb 4 | Jud Fabian | Assigned | Baltimore Orioles invited non-roster CF Jud Fabian to spring training. |
| Feb 4 | Enrique Bradfield Jr. | Assigned | Baltimore Orioles invited non-roster CF Enrique Bradfield Jr. to spring training. |
| Feb 4 | Aron Estrada | Assigned | Baltimore Orioles invited non-roster 2B Aron Estrada to spring training. |
| Feb 4 | José Barrero | Assigned | Baltimore Orioles invited non-roster SS José Barrero to spring training. |
| Feb 4 | Creed Willems | Assigned | Baltimore Orioles invited non-roster C Creed Willems to spring training. |
| Feb 4 | Ethan Anderson | Assigned | Baltimore Orioles invited non-roster C Ethan Anderson to spring training. |
| Feb 4 | Silas Ardoin | Assigned | Baltimore Orioles invited non-roster C Silas Ardoin to spring training. |
| Feb 4 | Cameron Weston | Assigned | Baltimore Orioles invited non-roster RHP Cameron Weston to spring training. |
| Feb 4 | Levi Wells | Assigned | Baltimore Orioles invited non-roster RHP Levi Wells to spring training. |
| Feb 4 | Keagan Gillies | Assigned | Baltimore Orioles invited non-roster RHP Keagan Gillies to spring training. |
| Feb 4 | Trey Gibson | Assigned | Baltimore Orioles invited non-roster RHP Trey Gibson to spring training. |
| Feb 4 | Nestor German | Assigned | Baltimore Orioles invited non-roster RHP Nestor German to spring training. |
| Feb 4 | Luis De León | Assigned | Baltimore Orioles invited non-roster LHP Luis De León to spring training. |
| Feb 1 | — | Trade | Chicago White Sox traded 3B Bryan Ramos to Baltimore Orioles for cash. |
| Feb 1 | Weston Wilson | Designated for Assignment | Baltimore Orioles designated LF Weston Wilson for assignment. |
| Jan 26 | José Suarez | Claimed Off Waivers | Atlanta Braves claimed LHP José Suarez off waivers from Baltimore Orioles. |
| Jan 22 | José Suarez | Designated for Assignment | Baltimore Orioles designated LHP José Suarez for assignment. |
| Jan 22 | Weston Wilson | Claimed Off Waivers | Baltimore Orioles claimed LF Weston Wilson off waivers from Philadelphia Phillies. |
| Jan 22 | Marco Luciano | Claimed Off Waivers | New York Yankees claimed OF Marco Luciano off waivers from Baltimore Orioles. |
| Jan 20 | Hans Crouse | Status Change | RHP Hans Crouse roster status changed by Baltimore Orioles. |
| Jan 20 | Hans Crouse | Signed as Free Agent | Baltimore Orioles signed free agent RHP Hans Crouse to a minor league contract. |
| Jan 15 | Sam Huff | Status Change | C Sam Huff roster status changed by Baltimore Orioles. |
| Jan 15 | Jhostin Berroa | Signed as Free Agent | Baltimore Orioles signed free agent SS Jhostin Berroa to a minor league contract. |
| Jan 15 | Luis Dias | Signed as Free Agent | Baltimore Orioles signed free agent C Luis Dias to a minor league contract. |
| Jan 15 | Carlos Rubecindo | Signed as Free Agent | Baltimore Orioles signed free agent OF Carlos Rubecindo to a minor league contract. |
| Jan 15 | Ariel Roque | Signed as Free Agent | Baltimore Orioles signed free agent OF Ariel Roque to a minor league contract. |
| Jan 15 | Pedro Gomez | Signed as Free Agent | Baltimore Orioles signed free agent OF Pedro Gomez to a minor league contract. |
| Jan 15 | Jose Luis Acevedo | Signed as Free Agent | Baltimore Orioles signed free agent SS Jose Luis Acevedo to a minor league contract. |
| Jan 15 | Gabriel Rosario | Signed as Free Agent | Baltimore Orioles signed free agent OF Gabriel Rosario to a minor league contract. |
| Jan 15 | Andri Hidalgo | Signed as Free Agent | Baltimore Orioles signed free agent LHP Andri Hidalgo to a minor league contract. |
| Jan 15 | Joshddy Castillo | Signed as Free Agent | Baltimore Orioles signed free agent OF Joshddy Castillo to a minor league contract. |
| Jan 15 | Ray Faria | Signed as Free Agent | Baltimore Orioles signed free agent C Ray Faria to a minor league contract. |
| Jan 15 | Marco Luciano | Designated for Assignment | Baltimore Orioles designated OF Marco Luciano for assignment. |
| Jan 15 | José Suarez | Claimed Off Waivers | Baltimore Orioles claimed LHP José Suarez off waivers from Atlanta Braves. |
| Jan 15 | Sam Huff | Signed as Free Agent | Baltimore Orioles signed free agent C Sam Huff to a minor league contract. |
| Jan 14 | Jhonkensy Noel | Outrighted | Baltimore Orioles sent RF Jhonkensy Noel outright to Norfolk Tides. |
| Jan 13 | Jhonkensy Noel | Status Change | RF Jhonkensy Noel roster status changed by Baltimore Orioles. |
| Jan 9 | George Soriano | Claimed Off Waivers | Atlanta Braves claimed RHP George Soriano off waivers from Baltimore Orioles. |
| Jan 9 | Will Robertson | Outrighted | Baltimore Orioles sent LF Will Robertson outright to Norfolk Tides. |
| Jan 8 | Will Robertson | Status Change | LF Will Robertson roster status changed by Baltimore Orioles. |
| Jan 7 | Josh Walker | Outrighted | Baltimore Orioles sent LHP Josh Walker outright to Norfolk Tides. |
| Jan 7 | Marco Luciano | Claimed Off Waivers | Baltimore Orioles claimed OF Marco Luciano off waivers from Pittsburgh Pirates. |
| Jan 7 | Jhonkensy Noel | Designated for Assignment | Baltimore Orioles designated RF Jhonkensy Noel for assignment. |
| Jan 6 | Josh Walker | Status Change | LHP Josh Walker roster status changed by Baltimore Orioles. |
| Jan 6 | Eric Torres | Status Change | LHP Eric Torres roster status changed by Baltimore Orioles. |
| Jan 6 | Eric Torres | Signed as Free Agent | Baltimore Orioles signed free agent LHP Eric Torres to a minor league contract. |
| Jan 5 | George Soriano | Designated for Assignment | Baltimore Orioles designated RHP George Soriano for assignment. |
| Jan 5 | Jhonkensy Noel | Claimed Off Waivers | Baltimore Orioles claimed RF Jhonkensy Noel off waivers from Cleveland Guardians. |