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ATH · 2025 transactions
Data through 2026-10-03
| Date | Player | Type | Detail |
|---|---|---|---|
| Dec 22 | Ken Waldichuk | Designated for Assignment | Athletics designated LHP Ken Waldichuk for assignment. |
| Dec 22 | — | Trade | New York Mets traded 2B Jeff McNeil and cash to Athletics for RHP Yordan Rodriguez. |
| Dec 20 | Nick Hernandez | Signed as Free Agent | Athletics signed free agent RHP Nick Hernandez to a minor league contract. |
| Dec 19 | Brian Serven | Signed as Free Agent | Athletics signed free agent C Brian Serven to a minor league contract. |
| Dec 19 | Cade Marlowe | Signed as Free Agent | Athletics signed free agent OF Cade Marlowe to a minor league contract. |
| Dec 18 | Bryan Lavastida | Signed as Free Agent | Athletics signed free agent C Bryan Lavastida to a minor league contract. |
| Dec 17 | Gustavo Rodriguez | Signed as Free Agent | Athletics signed free agent RHP Gustavo Rodriguez to a minor league contract. |
| Dec 17 | Mark Leiter Jr. | Signed as Free Agent | Athletics signed free agent RHP Mark Leiter Jr.. |
| Dec 16 | Joel Kuhnel | Signed as Free Agent | Athletics signed free agent RHP Joel Kuhnel to a minor league contract. |
| Dec 12 | Michael Stefanic | Signed as Free Agent | Athletics signed free agent 2B Michael Stefanic to a minor league contract. |
| Dec 12 | Brooks Kriske | Signed as Free Agent | Athletics signed free agent RHP Brooks Kriske to a minor league contract. |
| Dec 12 | JJ Goss | Signed as Free Agent | Athletics signed free agent RHP JJ Goss to a minor league contract. |
| Dec 10 | Ryan Watson | Trade | Athletics traded RHP Ryan Watson to Boston Red Sox for 2B Justin Riemer and cash. |
| Dec 10 | Jorge Marcheco | Rule 5 Draft Minors | Athletics purchased contract of RHP Jorge Marcheco in the Rule 5 Draft, AAA Phase. |
| Dec 10 | Abrahan Gutierrez | Rule 5 Draft Minors | New York Yankees purchased contract of C Abrahan Gutierrez in the Rule 5 Draft, AAA Phase. |
| Dec 10 | Darlin Pinales | Rule 5 Draft Minors | Athletics purchased contract of RHP Darlin Pinales in the Rule 5 Draft, AAA Phase. |
| Dec 10 | Abel Mercedes | Rule 5 Draft Minors | Athletics purchased contract of RHP Abel Mercedes in the Rule 5 Draft, AAA Phase. |
| Dec 10 | Daniel Susac | Rule 5 Selection | Minnesota Twins purchased contract of C Daniel Susac in the Rule 5 Draft. |
| Dec 10 | Ryan Watson | Rule 5 Selection | Athletics purchased contract of RHP Ryan Watson in the Rule 5 Draft. |
| Dec 5 | Santiago Valencia | Signed as Free Agent | Athletics signed free agent RHP Santiago Valencia to a minor league contract. |
| Dec 5 | Osvaldo Bido | Claimed Off Waivers | Atlanta Braves claimed RHP Osvaldo Bido off waivers from Athletics. |
| Dec 4 | Abrahan Gutierrez | Signed as Free Agent | Athletics signed free agent C Abrahan Gutierrez to a minor league contract. |
| Nov 25 | Nick Anderson | Signed as Free Agent | Athletics signed free agent RHP Nick Anderson to a minor league contract. |
| Nov 24 | Luis Contreras | Signed as Free Agent | Athletics signed free agent RHP Luis Contreras to a minor league contract. |
| Nov 22 | Matt Krook | Signed as Free Agent | Athletics signed free agent LHP Matt Krook to a minor league contract. |
| Nov 21 | JJ Bleday | Declared Free Agency | CF JJ Bleday elected free agency. |
| Nov 20 | Wander Suero | Signed as Free Agent | Athletics signed free agent RHP Wander Suero to a minor league contract. |
| Nov 19 | Keiver De Horta | Signed as Free Agent | Athletics signed free agent LHP Keiver De Horta to a minor league contract. |
| Nov 19 | Geoff Hartlieb | Signed as Free Agent | Athletics signed free agent RHP Geoff Hartlieb to a minor league contract. |
| Nov 18 | Chen Zhong-Ao Zhuang | Selected | Athletics selected the contract of RHP Chen Zhong-Ao Zhuang from Midland RockHounds. |
| Nov 18 | Braden Nett | Selected | Athletics selected the contract of RHP Braden Nett from Midland RockHounds. |
| Nov 18 | Junior Perez | Selected | Athletics selected the contract of CF Junior Perez from Las Vegas Aviators. |
| Nov 18 | JJ Bleday | Designated for Assignment | Athletics designated CF JJ Bleday for assignment. |
| Nov 14 | Joey Meneses | Signed as Free Agent | Athletics signed free agent 1B Joey Meneses to a minor league contract. |
| Nov 11 | Ben Bowden | Status Change | LHP Ben Bowden roster status changed by Athletics. |
| Nov 11 | Ben Bowden | Signed as Free Agent | Athletics signed free agent LHP Ben Bowden to a minor league contract. |
| Nov 5 | Austin Wynns | Status Change | Athletics activated C Austin Wynns from the 60-day injured list. |
| Nov 5 | Luis Medina | Status Change | Athletics activated RHP Luis Medina from the 60-day injured list. |
| Nov 5 | Grant Holman | Status Change | Athletics activated RHP Grant Holman from the 60-day injured list. |
| Nov 5 | Gunnar Hoglund | Status Change | Athletics activated RHP Gunnar Hoglund from the 60-day injured list. |
| Nov 5 | Anthony Maldonado | Outrighted | Athletics sent RHP Anthony Maldonado outright to Las Vegas Aviators. |
| Nov 5 | Ben Bowden | Outrighted | Athletics sent LHP Ben Bowden outright to Las Vegas Aviators. |
| Nov 5 | Ben Bowden | Status Change | Athletics activated LHP Ben Bowden from the 60-day injured list. |
| Nov 5 | Jared Shuster | Outrighted | Athletics sent LHP Jared Shuster outright to Las Vegas Aviators. |
| Nov 5 | Michel Otañez | Claimed Off Waivers | Texas Rangers claimed RHP Michel Otañez off waivers from Athletics. |
| Nov 5 | Willie MacIver | Claimed Off Waivers | Texas Rangers claimed C Willie MacIver off waivers from Athletics. |
| Nov 2 | Sean Newcomb | Declared Free Agency | LHP Sean Newcomb elected free agency. |
| Nov 2 | Scott McGough | Declared Free Agency | RHP Scott McGough elected free agency. |
| Nov 2 | José Leclerc | Declared Free Agency | RHP José Leclerc elected free agency. |
| Oct 22 | Jonathan Durantt | Signed as Free Agent | Athletics signed free agent RHP Jonathan Durantt to a minor league contract. |
| Oct 2 | Jareth Rayo | Signed as Free Agent | Athletics signed free agent RHP Jareth Rayo to a minor league contract. |
| Sep 29 | Jack Perkins | Status Change | Athletics activated RHP Jack Perkins from the 15-day injured list. |
| Sep 29 | Sean Newcomb | Status Change | Athletics activated LHP Sean Newcomb from the 15-day injured list. |
| Sep 29 | Jacob Lopez | Status Change | Athletics activated LHP Jacob Lopez from the 15-day injured list. |
| Sep 29 | Joey Estes | Status Change | Athletics activated RHP Joey Estes from the 15-day injured list. |
| Sep 29 | Zack Gelof | Status Change | Athletics activated 2B Zack Gelof from the 10-day injured list. |
| Sep 29 | Denzel Clarke | Status Change | Athletics activated CF Denzel Clarke from the 10-day injured list. |
| Sep 29 | Henry Baez | Recalled | Athletics recalled RHP Henry Baez from Midland RockHounds. |
| Sep 29 | Anthony Maldonado | Recalled | Athletics recalled RHP Anthony Maldonado from Las Vegas Aviators. |
| Sep 29 | Ken Waldichuk | Recalled | Athletics recalled LHP Ken Waldichuk from Las Vegas Aviators. |
| Sep 29 | Jared Shuster | Recalled | Athletics recalled LHP Jared Shuster from Las Vegas Aviators. |
| Sep 29 | Eduarniel Núñez | Recalled | Athletics recalled RHP Eduarniel Núñez from Las Vegas Aviators. |
| Sep 29 | Michel Otañez | Recalled | Athletics recalled RHP Michel Otañez from Las Vegas Aviators. |
| Sep 23 | Denzel Clarke | Assigned | Athletics sent CF Denzel Clarke on a rehab assignment to Las Vegas Aviators. |
| Sep 20 | Sean Newcomb | Status Change | Athletics placed LHP Sean Newcomb on the 15-day injured list. Left elbow inflammation. |
| Sep 20 | Zack Gelof | Status Change | Athletics placed 2B Zack Gelof on the 10-day injured list. Left shoulder dislocation. |
| Sep 20 | Scott McGough | Recalled | Athletics recalled RHP Scott McGough from Las Vegas Aviators. |
| Sep 20 | Max Muncy | Status Change | Athletics activated 3B Max Muncy from the 10-day injured list. |
| Sep 17 | Carlos Cortes | Number Change | LF Carlos Cortes changed number to 26. |
| Sep 17 | Darell Hernaiz | Number Change | 3B Darell Hernaiz changed number to 2. |
| Sep 17 | Lawrence Butler | Number Change | RF Lawrence Butler changed number to 4. |
| Sep 16 | Carlos Cortes | Number Change | LF Carlos Cortes changed number to 21. |
| Sep 16 | Darell Hernaiz | Number Change | 3B Darell Hernaiz changed number to 21. |
| Sep 16 | Lawrence Butler | Number Change | RF Lawrence Butler changed number to 21. |
| Sep 10 | Scott McGough | Optioned | Athletics optioned RHP Scott McGough to Las Vegas Aviators. |
| Sep 10 | Mitch Spence | Recalled | Athletics recalled RHP Mitch Spence from Las Vegas Aviators. |
| Sep 1 | Eduarniel Núñez | Optioned | Athletics optioned RHP Eduarniel Núñez to Las Vegas Aviators. |
| Sep 1 | Ben Bowden | Status Change | Athletics transferred LHP Ben Bowden from the 15-day injured list to the 60-day injured list. Strained left lat. |
| Sep 1 | Max Schuemann | Recalled | Athletics recalled 3B Max Schuemann from Las Vegas Aviators. |
| Sep 1 | Luis Severino | Status Change | Athletics activated RHP Luis Severino from the 15-day injured list. |
| Sep 1 | Scott McGough | Selected | Athletics selected the contract of RHP Scott McGough from Las Vegas Aviators. |
| Aug 28 | Luis Urías | Released | Athletics released 2B Luis Urías. |
| Aug 27 | Joey Estes | Status Change | Athletics placed RHP Joey Estes on the 15-day injured list retroactive to August 25, 2025. Herniated disc in lower back. |
| Aug 27 | Brady Basso | Recalled | Athletics recalled LHP Brady Basso from Las Vegas Aviators. |
| Aug 26 | Mason Barnett | Selected | Athletics selected the contract of RHP Mason Barnett from Las Vegas Aviators. |
| Aug 26 | Jacob Lopez | Status Change | Athletics placed LHP Jacob Lopez on the 15-day injured list retroactive to August 25, 2025. Left elbow flexor strain. |
| Aug 25 | Zack Gelof | Recalled | Athletics recalled 2B Zack Gelof from Las Vegas Aviators. |
| Aug 25 | Luis Urías | Designated for Assignment | Athletics designated 2B Luis Urías for assignment. |
| Aug 22 | Max Schuemann | Optioned | Athletics optioned 3B Max Schuemann to Las Vegas Aviators. |
| Aug 22 | Ben Bowden | Status Change | Athletics placed LHP Ben Bowden on the 15-day injured list. Strained left lat. |
| Aug 22 | Jack Perkins | Status Change | Athletics placed RHP Jack Perkins on the 15-day injured list. Strained right shoulder. |
| Aug 22 | Eduarniel Núñez | Recalled | Athletics recalled RHP Eduarniel Núñez from Las Vegas Aviators. |
| Aug 22 | Joey Estes | Recalled | Athletics recalled RHP Joey Estes from Las Vegas Aviators. |
| Aug 22 | Jacob Wilson | Status Change | Athletics activated SS Jacob Wilson from the 10-day injured list. |
| Aug 17 | Gio Urshela | Released | Athletics released 3B Gio Urshela. |
| Aug 16 | Jacob Wilson | Assigned | Athletics sent SS Jacob Wilson on a rehab assignment to Las Vegas Aviators. |
| Aug 16 | Jacob Wilson | Assigned | Athletics sent SS Jacob Wilson on a rehab assignment to Las Vegas Aviators. |
| Aug 15 | Denzel Clarke | Assigned | Athletics sent CF Denzel Clarke on a rehab assignment to Las Vegas Aviators. |
| Aug 15 | Bryan Lavastida | Signed as Free Agent | Athletics signed free agent C Bryan Lavastida to a minor league contract. |
| Aug 15 | Denzel Clarke | Assigned | Athletics sent CF Denzel Clarke on a rehab assignment to Las Vegas Aviators. |
| Aug 15 | Jared Shuster | Optioned | Athletics optioned LHP Jared Shuster to Las Vegas Aviators. |
| Aug 15 | Jared Shuster | Claimed Off Waivers | Athletics claimed LHP Jared Shuster off waivers from Chicago White Sox. |
| Aug 15 | Gio Urshela | Designated for Assignment | Athletics designated 3B Gio Urshela for assignment. |
| Aug 15 | Brett Harris | Recalled | Athletics recalled 3B Brett Harris from Las Vegas Aviators. |
| Aug 11 | Austin Wynns | Status Change | Athletics transferred C Austin Wynns from the 10-day injured list to the 60-day injured list. Abdominal strain. |
| Aug 11 | Brady Basso | Optioned | Athletics optioned LHP Brady Basso to Las Vegas Aviators. |
| Aug 11 | Brady Basso | Status Change | Athletics activated LHP Brady Basso from the 60-day injured list. |
| Aug 9 | Hogan Harris | Recalled | Athletics recalled LHP Hogan Harris from Las Vegas Aviators. |
| Aug 9 | Luis Severino | Status Change | Athletics placed RHP Luis Severino on the 15-day injured list retroactive to August 6, 2025. Left oblique strain. |
| Aug 6 | Brady Basso | Assigned | Athletics sent LHP Brady Basso on a rehab assignment to Las Vegas Aviators. |
| Aug 6 | Eduarniel Núñez | Optioned | Athletics optioned RHP Eduarniel Núñez to Las Vegas Aviators. |
| Aug 6 | Tyler Ferguson | Recalled | Athletics recalled RHP Tyler Ferguson from Las Vegas Aviators. |
| Aug 5 | Austin Wynns | Status Change | Athletics placed C Austin Wynns on the 10-day injured list retroactive to August 4, 2025. Abdominal strain. |
| Aug 5 | Willie MacIver | Recalled | Athletics recalled C Willie MacIver from Las Vegas Aviators. |
| Aug 1 | Eduarniel Núñez | Recalled | Athletics recalled RHP Eduarniel Núñez from Las Vegas Aviators. |
| Aug 1 | JJ Bleday | Recalled | Athletics recalled CF JJ Bleday from Las Vegas Aviators. |
| Aug 1 | Luis Morales | Selected | Athletics selected the contract of RHP Luis Morales from Las Vegas Aviators. |
| Jul 31 | Kenya Huggins | Trade | Athletics traded LF Miguel Andujar to Cincinnati Reds for RHP Kenya Huggins. |
| Jul 31 | Henry Baez | Trade | Athletics traded RHP Mason Miller and LHP JP Sears to San Diego Padres for RHP Henry Baez, RHP Eduarniel Núñez, SS Leo De Vries and RHP Braden Nett. |
| Jul 29 | Darell Hernaiz | Recalled | Athletics recalled 3B Darell Hernaiz from Las Vegas Aviators. |
| Jul 25 | Logan Davidson | Claimed Off Waivers | Houston Astros claimed 1B Logan Davidson off waivers from Athletics. |
| Jul 24 | Logan Davidson | Status Change | 1B Logan Davidson roster status changed by Athletics. |
| Jul 23 | Diego Rosa | Signed | Athletics signed C Diego Rosa. |
| Jul 23 | Bryson McArn | Signed as Free Agent | Athletics signed free agent SS Bryson McArn to a minor league contract. |
| Jul 23 | Jackson Holmes | Signed | Athletics signed RHP Jackson Holmes. |
| Jul 23 | Owen Carapellotti | Signed | Athletics signed C Owen Carapellotti. |
| Jul 23 | Michael Brooks | Signed | Athletics signed SS Michael Brooks. |
| Jul 23 | Bobby Blandford | Signed | Athletics signed OF Bobby Blandford. |
| Jul 23 | Gavin Turley | Signed | Athletics signed OF Gavin Turley. |
| Jul 23 | Zane Taylor | Signed | Athletics signed RHP Zane Taylor. |
| Jul 23 | Devin Taylor | Signed | Athletics signed OF Devin Taylor. |
| Jul 23 | Itsuki Takemoto | Assigned | RHP Itsuki Takemoto assigned to Athletics. |
| Jul 23 | Itsuki Takemoto | Signed | Athletics signed RHP Itsuki Takemoto. |
| Jul 23 | Logan Sauve | Signed | Athletics signed C Logan Sauve. |
| Jul 23 | Grant Richardson | Signed | Athletics signed LHP Grant Richardson. |
| Jul 23 | Jackson Phipps | Signed | Athletics signed LHP Jackson Phipps. |
| Jul 23 | Griffin Kirn | Signed | Athletics signed LHP Griffin Kirn. |
| Jul 23 | Samuel Dutton | Signed | Athletics signed RHP Samuel Dutton. |
| Jul 23 | Jay Dill | Signed | Athletics signed RHP Jay Dill. |
| Jul 23 | Jared Davis | Signed | Athletics signed SS Jared Davis. |
| Jul 23 | Daniel Bucciero | Signed | Athletics signed 3B Daniel Bucciero. |
| Jul 23 | Kade Brown | Signed | Athletics signed RHP Kade Brown. |
| Jul 23 | Corey Braun | Signed | Athletics signed LHP Corey Braun. |
| Jul 23 | Bobby Boser | Signed | Athletics signed SS Bobby Boser. |
| Jul 23 | Alex Barr | Signed | Athletics signed LHP Alex Barr. |
| Jul 23 | Jamie Arnold | Signed | Athletics signed LHP Jamie Arnold. |
| Jul 23 | Bryan Arendt | Signed | Athletics signed C Bryan Arendt. |
| Jul 23 | Logan Davidson | Designated for Assignment | Athletics designated 1B Logan Davidson for assignment. |
| Jul 23 | Hogan Harris | Optioned | Athletics optioned LHP Hogan Harris to Las Vegas Aviators. |
| Jul 23 | Ben Bowden | Selected | Athletics selected the contract of LHP Ben Bowden from Las Vegas Aviators. |
| Jul 22 | Jhonny Pereda | Claimed Off Waivers | Minnesota Twins claimed C Jhonny Pereda off waivers from Athletics. |
| Jul 22 | Denzel Clarke | Status Change | Athletics placed CF Denzel Clarke on the 10-day injured list retroactive to July 21, 2025. Right adductor strain. |
| Jul 22 | Max Muncy | Status Change | Athletics placed 3B Max Muncy on the 10-day injured list. Right hand fracture. |
| Jul 22 | Carlos Cortes | Recalled | Athletics recalled LF Carlos Cortes from Las Vegas Aviators. |
| Jul 22 | Colby Thomas | Recalled | Athletics recalled RF Colby Thomas from Las Vegas Aviators. |
| Jul 19 | Jhonny Pereda | Designated for Assignment | Athletics designated C Jhonny Pereda for assignment. |
| Jul 19 | Ken Waldichuk | Optioned | Athletics optioned LHP Ken Waldichuk to Las Vegas Aviators. |
| Jul 19 | Ken Waldichuk | Status Change | Athletics activated LHP Ken Waldichuk from the 60-day injured list. |
| Jul 15 | Carlos Cortes | Optioned | Athletics optioned LF Carlos Cortes to Las Vegas Aviators. |
| Jul 15 | Carlos Cortes | Selected | Athletics selected the contract of LF Carlos Cortes from Las Vegas Aviators. |
| Jul 15 | Grant Holman | Status Change | Athletics transferred RHP Grant Holman from the 15-day injured list to the 60-day injured list. Right shoulder rotator cuff tendinitis. |
| Jul 13 | Zack Gelof | Optioned | Athletics optioned 2B Zack Gelof to Las Vegas Aviators. |
| Jul 13 | Luis Urías | Status Change | Athletics activated 2B Luis Urías from the 10-day injured list. |
| Jul 10 | Mitch Spence | Optioned | Athletics optioned RHP Mitch Spence to Las Vegas Aviators. |
| Jul 10 | Osvaldo Bido | Recalled | Athletics recalled RHP Osvaldo Bido from Las Vegas Aviators. |
| Jul 9 | Miguel Andujar | Status Change | Athletics activated LF Miguel Andujar from the 10-day injured list. |
| Jul 9 | Colby Thomas | Optioned | Athletics optioned RF Colby Thomas to Las Vegas Aviators. |
| Jul 5 | Angel Vizcaino | Signed as Free Agent | Athletics signed free agent RHP Angel Vizcaino to a minor league contract. |
| Jul 5 | Jean Peralta | Signed as Free Agent | Athletics signed free agent C Jean Peralta to a minor league contract. |
| Jul 4 | Zack Gelof | Status Change | Athletics activated 2B Zack Gelof from the 60-day injured list. |
| Jul 4 | Luis Urías | Status Change | Athletics placed 2B Luis Urías on the 10-day injured list retroactive to July 3, 2025. Right hamstring strain. |
| Jul 2 | T.J. McFarland | Released | Athletics released LHP T.J. McFarland. |
| Jul 2 | Miguel Andujar | Assigned | Athletics sent LF Miguel Andujar on a rehab assignment to Las Vegas Aviators. |
| Jun 30 | JJ Bleday | Optioned | Athletics optioned CF JJ Bleday to Las Vegas Aviators. |
| Jun 30 | Willie MacIver | Optioned | Athletics optioned C Willie MacIver to Las Vegas Aviators. |
| Jun 30 | Tyler Ferguson | Optioned | Athletics optioned RHP Tyler Ferguson to Las Vegas Aviators. |
| Jun 30 | Colby Thomas | Selected | Athletics selected the contract of RF Colby Thomas from Las Vegas Aviators. |
| Jun 30 | Justin Sterner | Recalled | Athletics recalled RHP Justin Sterner from Las Vegas Aviators. |
| Jun 30 | Shea Langeliers | Status Change | Athletics activated C Shea Langeliers from the 10-day injured list. |
| Jun 27 | Elvis Alvarado | Recalled | Athletics recalled RHP Elvis Alvarado from Las Vegas Aviators. |
| Jun 27 | T.J. McFarland | Designated for Assignment | Athletics designated LHP T.J. McFarland for assignment. |
| Jun 25 | Seth Brown | Released | Athletics released LF Seth Brown. |
| Jun 25 | Shea Langeliers | Assigned | Athletics sent C Shea Langeliers on a rehab assignment to Las Vegas Aviators. |
| Jun 24 | Ken Waldichuk | Assigned | Athletics sent LHP Ken Waldichuk on a rehab assignment to Las Vegas Aviators. |
| Jun 22 | Ken Waldichuk | Assigned | Athletics sent LHP Ken Waldichuk on a rehab assignment to Stockton Ports. |
| Jun 22 | Gunnar Hoglund | Status Change | Athletics transferred RHP Gunnar Hoglund from the 15-day injured list to the 60-day injured list. Left hip impingement. |
| Jun 22 | Anthony Maldonado | Optioned | Athletics optioned RHP Anthony Maldonado to Las Vegas Aviators. |
| Jun 22 | Jack Perkins | Selected | Athletics selected the contract of RHP Jack Perkins from Las Vegas Aviators. |
| Jun 19 | Grant Holman | Status Change | Athletics placed RHP Grant Holman on the 15-day injured list retroactive to June 16, 2025. Right shoulder rotator cuff tendinitis. |
| Jun 19 | Osvaldo Bido | Optioned | Athletics optioned RHP Osvaldo Bido to Las Vegas Aviators. |
| Jun 19 | Anthony Maldonado | Recalled | Athletics recalled RHP Anthony Maldonado from Las Vegas Aviators. |
| Jun 17 | Gio Urshela | Status Change | Athletics activated 3B Gio Urshela from the 10-day injured list. |
| Jun 17 | Seth Brown | Status Change | Athletics placed LF Seth Brown on the 10-day injured list retroactive to June 13, 2025. Left elbow lateral epicondylitis. |
| Jun 17 | Zack Gelof | Assigned | Athletics sent 2B Zack Gelof on a rehab assignment to Las Vegas Aviators. |
| Jun 16 | J.T. Ginn | Status Change | Athletics activated RHP J.T. Ginn from the 15-day injured list. |
| Jun 14 | Scott McGough | Signed as Free Agent | Athletics signed free agent RHP Scott McGough to a minor league contract. |
| Jun 11 | Brady Basso | Assigned | Athletics sent LHP Brady Basso on a rehab assignment to Las Vegas Aviators. |
| Jun 11 | Brady Basso | Assigned | Athletics sent LHP Brady Basso on a rehab assignment to Las Vegas Aviators. |
| Jun 11 | Gio Urshela | Assigned | Athletics sent 3B Gio Urshela on a rehab assignment to Las Vegas Aviators. |
| Jun 11 | Carlos Duran | Outrighted | Athletics sent RHP Carlos Duran outright to Las Vegas Aviators. |
| Jun 10 | Jack Mahoney | Signed as Free Agent | Athletics signed free agent LHP Jack Mahoney to a minor league contract. |
| Jun 9 | Austin Wynns | Status Change | Athletics activated C Austin Wynns. |
| Jun 9 | Nick Kurtz | Status Change | Athletics activated 1B Nick Kurtz from the 10-day injured list. |
| Jun 9 | Jhonny Pereda | Optioned | Athletics optioned C Jhonny Pereda to Las Vegas Aviators. |
| Jun 9 | Logan Davidson | Optioned | Athletics optioned 1B Logan Davidson to Las Vegas Aviators. |
| Jun 8 | CJ Alexander | Claimed Off Waivers | New York Yankees claimed 1B CJ Alexander off waivers from Athletics. |
| Jun 8 | Brady Basso | Assigned | Athletics sent LHP Brady Basso on a rehab assignment to Stockton Ports. |
| Jun 8 | Austin Wynns | Status Change | C Austin Wynns roster status changed by Athletics. |
| Jun 8 | Drew Avans | Claimed Off Waivers | Milwaukee Brewers claimed LF Drew Avans off waivers from Athletics. |
| Jun 8 | Carlos Duran | Designated for Assignment | Athletics designated RHP Carlos Duran for assignment. |
| Jun 8 | — | Trade | Cincinnati Reds traded C Austin Wynns to Athletics for cash. |
| Jun 7 | Nick Kurtz | Assigned | Athletics sent 1B Nick Kurtz on a rehab assignment to Stockton Ports. |
| Jun 7 | Nick Kurtz | Assigned | Athletics sent 1B Nick Kurtz on a rehab assignment to Stockton Ports. |
| Jun 6 | Drew Avans | Designated for Assignment | Athletics designated LF Drew Avans for assignment. |
| Jun 6 | Yorlin Calderon | Assigned | RHP Yorlin Calderon assigned to Athletics. |
| Jun 6 | Seth Brown | Selected | Athletics selected the contract of LF Seth Brown from Las Vegas Aviators. |
| Jun 6 | Jhonny Pereda | Recalled | Athletics recalled C Jhonny Pereda from Las Vegas Aviators. |
| Jun 6 | Drew Avans | Designated for Assignment | Athletics designated LF Drew Avans for assignment. |
| Jun 6 | Shea Langeliers | Status Change | Athletics placed C Shea Langeliers on the 10-day injured list. Left oblique strain. |
| Jun 5 | Aaron Brooks | Signed as Free Agent | Athletics signed RHP Aaron Brooks. |
| Jun 5 | Nick Martini | Signed as Free Agent | Athletics signed free agent RF Nick Martini to a minor league contract. |
| Jun 5 | J.T. Ginn | Assigned | Athletics sent RHP J.T. Ginn on a rehab assignment to Las Vegas Aviators. |
| Jun 5 | CJ Alexander | Designated for Assignment | Athletics designated 1B CJ Alexander for assignment. |
| Jun 5 | Michael Kelly | Status Change | Athletics activated RHP Michael Kelly. |
| Jun 5 | T.J. McFarland | Status Change | Athletics activated LHP T.J. McFarland from the 15-day injured list. |
| Jun 5 | Elvis Alvarado | Optioned | Athletics optioned RHP Elvis Alvarado to Las Vegas Aviators. |
| Jun 5 | Justin Sterner | Optioned | Athletics optioned RHP Justin Sterner to Las Vegas Aviators. |
| Jun 4 | CJ Alexander | Optioned | Athletics optioned 1B CJ Alexander to Las Vegas Aviators. |
| Jun 4 | Max Muncy | Recalled | Athletics recalled 2B Max Muncy from Las Vegas Aviators. |
| Jun 3 | T.J. McFarland | Assigned | Athletics sent LHP T.J. McFarland on a rehab assignment to Stockton Ports. |
| Jun 2 | Gunnar Hoglund | Status Change | Athletics placed RHP Gunnar Hoglund on the 15-day injured list retroactive to June 1, 2025. Left hip impingement. |
| Jun 2 | Miguel Andujar | Status Change | Athletics placed LF Miguel Andujar on the 10-day injured list. Strained right oblique. |
| Jun 2 | Elvis Alvarado | Recalled | Athletics recalled RHP Elvis Alvarado from Las Vegas Aviators. |
| Jun 2 | JJ Bleday | Recalled | Athletics recalled CF JJ Bleday from Las Vegas Aviators. |
| May 31 | Anthony Maldonado | Optioned | Athletics optioned RHP Anthony Maldonado to Las Vegas Aviators. |
| May 31 | Osvaldo Bido | Recalled | Athletics recalled RHP Osvaldo Bido from Las Vegas Aviators. |
| May 30 | Ryan Cusick | Claimed Off Waivers | Detroit Tigers claimed RHP Ryan Cusick off waivers from Athletics. |
| May 29 | Matt Krook | Claimed Off Waivers | Cleveland Guardians claimed LHP Matt Krook off waivers from Athletics. |
| May 28 | Sean Newcomb | Status Change | Athletics activated LHP Sean Newcomb. |
| May 28 | Michel Otañez | Optioned | Athletics optioned RHP Michel Otañez to Las Vegas Aviators. |
| May 27 | Drew Avans | Selected | Athletics selected the contract of CF Drew Avans from Las Vegas Aviators. |
| May 27 | Matt Krook | Designated for Assignment | Athletics designated LHP Matt Krook for assignment. |
| May 27 | Ryan Cusick | Designated for Assignment | Athletics designated RHP Ryan Cusick for assignment. |
| May 27 | Nick Kurtz | Status Change | Athletics placed 1B Nick Kurtz on the 10-day injured list retroactive to May 25, 2025. Strained left hip flexor. |
| May 27 | Sean Newcomb | Trade | Boston Red Sox traded LHP Sean Newcomb to Athletics for cash. |
| May 25 | Seth Brown | Outrighted | Athletics sent LF Seth Brown outright to Las Vegas Aviators. |
| May 23 | CJ Alexander | Recalled | Athletics recalled 3B CJ Alexander from Las Vegas Aviators. |
| May 23 | Carlos Duran | Optioned | Athletics optioned RHP Carlos Duran to Las Vegas Aviators. |
| May 23 | Zack Gelof | Status Change | Athletics placed 2B Zack Gelof on the 60-day injured list. |
| May 23 | Seth Brown | Designated for Assignment | Athletics designated LF Seth Brown for assignment. |
| May 23 | Gio Urshela | Status Change | Athletics placed 3B Gio Urshela on the 10-day injured list. Left hamstring strain. |
| May 23 | Jhonny Pereda | Optioned | Athletics optioned C Jhonny Pereda to Las Vegas Aviators. |
| May 23 | JJ Bleday | Optioned | Athletics optioned CF JJ Bleday to Las Vegas Aviators. |
| May 23 | Logan Davidson | Selected | Athletics selected the contract of 1B Logan Davidson from Las Vegas Aviators. |
| May 23 | Willie MacIver | Selected | Athletics selected the contract of C Willie MacIver from Las Vegas Aviators. |
| May 23 | Denzel Clarke | Recalled | Athletics recalled CF Denzel Clarke from Las Vegas Aviators. |
| May 23 | Jacob Lopez | Recalled | Athletics recalled LHP Jacob Lopez from Las Vegas Aviators. |
| May 22 | Matt Krook | Optioned | Athletics optioned LHP Matt Krook to Las Vegas Aviators. |
| May 22 | Carlos Duran | Recalled | Athletics recalled RHP Carlos Duran from Las Vegas Aviators. |
| May 20 | Anthony Maldonado | Recalled | Athletics recalled RHP Anthony Maldonado from Las Vegas Aviators. |
| May 20 | J.T. Ginn | Status Change | Athletics placed RHP J.T. Ginn on the 15-day injured list. Right quadriceps strain. |
| May 19 | J.T. Ginn | Status Change | Athletics activated RHP J.T. Ginn from the 15-day injured list. |
| May 19 | Anthony Maldonado | Optioned | Athletics optioned RHP Anthony Maldonado to Las Vegas Aviators. |
| May 18 | Jason Alexander | Claimed Off Waivers | Houston Astros claimed RHP Jason Alexander off waivers from Athletics. |
| May 16 | Jason Alexander | Designated for Assignment | Athletics designated RHP Jason Alexander for assignment. |
| May 16 | Osvaldo Bido | Optioned | Athletics optioned RHP Osvaldo Bido to Las Vegas Aviators. |
| May 16 | Anthony Maldonado | Selected | Athletics selected the contract of RHP Anthony Maldonado from Las Vegas Aviators. |
| May 16 | Matt Krook | Selected | Athletics selected the contract of LHP Matt Krook from Las Vegas Aviators. |
| May 14 | J.T. Ginn | Assigned | Athletics sent RHP J.T. Ginn on a rehab assignment to Las Vegas Aviators. |
| May 13 | Elvis Alvarado | Optioned | Athletics optioned RHP Elvis Alvarado to Las Vegas Aviators. |
| May 13 | Jason Alexander | Recalled | Athletics recalled RHP Jason Alexander from Las Vegas Aviators. |
| May 13 | Michel Otañez | Status Change | Athletics activated RHP Michel Otañez from the 15-day injured list. |
| May 12 | T.J. McFarland | Status Change | Athletics placed LHP T.J. McFarland on the 15-day injured list. Adductor strain. |
| May 12 | Noah Murdock | Returned | RHP Noah Murdock returned to Kansas City Royals from Athletics. |
| May 9 | Noah Murdock | Designated for Assignment | Athletics designated RHP Noah Murdock for assignment. |
| May 9 | Elvis Alvarado | Recalled | Athletics recalled RHP Elvis Alvarado from Las Vegas Aviators. |
| May 2 | Carlos Duran | Optioned | Athletics optioned RHP Carlos Duran to Las Vegas Aviators. |
| May 2 | Gunnar Hoglund | Recalled | Athletics recalled RHP Gunnar Hoglund from Las Vegas Aviators. |
| May 1 | Andinson Ferrer | Signed as Free Agent | Athletics signed free agent RHP Andinson Ferrer to a minor league contract. |
| Apr 30 | Carlos Duran | Selected | Athletics selected the contract of RHP Carlos Duran from Las Vegas Aviators. |
| Apr 30 | Jacob Lopez | Optioned | Athletics optioned LHP Jacob Lopez to Las Vegas Aviators. |
| Apr 30 | José Leclerc | Status Change | Athletics transferred RHP José Leclerc from the 15-day injured list to the 60-day injured list. Right lat strain. |
| Apr 29 | Michel Otañez | Assigned | Athletics sent RHP Michel Otañez on a rehab assignment to Las Vegas Aviators. |
| Apr 29 | Zack Gelof | Assigned | Athletics sent 2B Zack Gelof on a rehab assignment to Las Vegas Aviators. |
| Apr 27 | Michel Otañez | Assigned | Athletics sent RHP Michel Otañez on a rehab assignment to Stockton Ports. |
| Apr 27 | Michel Otañez | Assigned | Athletics sent RHP Michel Otañez on a rehab assignment to Stockton Ports. |
| Apr 26 | J.T. Ginn | Status Change | Athletics placed RHP J.T. Ginn on the 15-day injured list retroactive to April 25, 2025. Riight elbow inflammation. |
| Apr 26 | Jacob Lopez | Recalled | Athletics recalled LHP Jacob Lopez from Las Vegas Aviators. |
| Apr 23 | Hogan Harris | Recalled | Athletics recalled LHP Hogan Harris from Las Vegas Aviators. |
| Apr 23 | Grant Holman | Recalled | Athletics recalled RHP Grant Holman from Las Vegas Aviators. |
| Apr 23 | Nick Kurtz | Selected | Athletics selected the contract of 1B Nick Kurtz from Las Vegas Aviators. |
| Apr 23 | Jacob Lopez | Optioned | Athletics optioned LHP Jacob Lopez to Las Vegas Aviators. |
| Apr 23 | Max Muncy | Optioned | Athletics optioned 2B Max Muncy to Las Vegas Aviators. |
| Apr 23 | José Leclerc | Status Change | Athletics placed RHP José Leclerc on the 15-day injured list. Right lat strain. |
| Apr 18 | Jason Alexander | Optioned | Athletics optioned RHP Jason Alexander to Las Vegas Aviators. |
| Apr 18 | Jacob Lopez | Recalled | Athletics recalled LHP Jacob Lopez from Las Vegas Aviators. |
| Apr 16 | Jacob Wilson | Status Change | Athletics placed SS Jacob Wilson on the 10-day injured list. Fractured right forearm. |
| Apr 16 | JP Sears | Number Change | LHP JP Sears changed number to 38. |
| Apr 16 | Shea Langeliers | Number Change | C Shea Langeliers changed number to 23. |
| Apr 16 | Brent Rooker | Number Change | LF Brent Rooker changed number to 25. |
| Apr 16 | Osvaldo Bido | Number Change | RHP Osvaldo Bido changed number to 45. |
| Apr 16 | Lawrence Butler | Number Change | RF Lawrence Butler changed number to 4. |
| Apr 16 | Miguel Andujar | Number Change | LF Miguel Andujar changed number to 22. |
| Apr 16 | JJ Bleday | Number Change | CF JJ Bleday changed number to 33. |
| Apr 16 | Mitch Spence | Number Change | RHP Mitch Spence changed number to 28. |
| Apr 16 | Mason Miller | Number Change | RHP Mason Miller changed number to 19. |
| Apr 16 | Noah Murdock | Number Change | RHP Noah Murdock changed number to 58. |
| Apr 16 | Tyler Soderstrom | Number Change | 1B Tyler Soderstrom changed number to 21. |
| Apr 16 | Tyler Ferguson | Number Change | RHP Tyler Ferguson changed number to 44. |
| Apr 16 | Justin Sterner | Number Change | RHP Justin Sterner changed number to 60. |
| Apr 16 | Max Schuemann | Number Change | SS Max Schuemann changed number to 12. |
| Apr 16 | Jacob Wilson | Number Change | SS Jacob Wilson changed number to 5. |
| Apr 16 | J.T. Ginn | Number Change | RHP J.T. Ginn changed number to 70. |
| Apr 16 | T.J. McFarland | Number Change | LHP T.J. McFarland changed number to 48. |
| Apr 16 | Luis Severino | Number Change | RHP Luis Severino changed number to 40. |
| Apr 16 | Seth Brown | Number Change | LF Seth Brown changed number to 15. |
| Apr 16 | Gio Urshela | Number Change | 3B Gio Urshela changed number to 13. |
| Apr 16 | Jeffrey Springs | Number Change | LHP Jeffrey Springs changed number to 59. |
| Apr 16 | Luis Urías | Number Change | 3B Luis Urías changed number to 17. |
| Apr 16 | Max Muncy | Number Change | 2B Max Muncy changed number to 10. |
| Apr 16 | Jhonny Pereda | Number Change | C Jhonny Pereda changed number to 64. |
| Apr 16 | José Leclerc | Number Change | RHP José Leclerc changed number to 37. |
| Apr 16 | Jason Alexander | Number Change | RHP Jason Alexander changed number to 49. |
| Apr 15 | Miguel Andujar | Number Change | LF Miguel Andujar changed number to 42. |
| Apr 15 | Brent Rooker | Number Change | LF Brent Rooker changed number to 42. |
| Apr 15 | Shea Langeliers | Number Change | C Shea Langeliers changed number to 42. |
| Apr 15 | Lawrence Butler | Number Change | RF Lawrence Butler changed number to 42. |
| Apr 15 | JP Sears | Number Change | LHP JP Sears changed number to 42. |
| Apr 15 | Mason Miller | Number Change | RHP Mason Miller changed number to 42. |
| Apr 15 | Osvaldo Bido | Number Change | RHP Osvaldo Bido changed number to 42. |
| Apr 15 | JJ Bleday | Number Change | CF JJ Bleday changed number to 42. |
| Apr 15 | Mitch Spence | Number Change | RHP Mitch Spence changed number to 42. |
| Apr 15 | Tyler Soderstrom | Number Change | 1B Tyler Soderstrom changed number to 42. |
| Apr 15 | Tyler Ferguson | Number Change | RHP Tyler Ferguson changed number to 42. |
| Apr 15 | Noah Murdock | Number Change | RHP Noah Murdock changed number to 42. |
| Apr 15 | Max Schuemann | Number Change | SS Max Schuemann changed number to 42. |
| Apr 15 | Justin Sterner | Number Change | RHP Justin Sterner changed number to 42. |
| Apr 15 | Jacob Wilson | Number Change | SS Jacob Wilson changed number to 42. |
| Apr 15 | Gio Urshela | Number Change | 3B Gio Urshela changed number to 42. |
| Apr 15 | J.T. Ginn | Number Change | RHP J.T. Ginn changed number to 42. |
| Apr 15 | Seth Brown | Number Change | LF Seth Brown changed number to 42. |
| Apr 15 | T.J. McFarland | Number Change | LHP T.J. McFarland changed number to 42. |
| Apr 15 | Max Muncy | Number Change | 2B Max Muncy changed number to 42. |
| Apr 15 | Jhonny Pereda | Number Change | C Jhonny Pereda changed number to 42. |
| Apr 15 | Jeffrey Springs | Number Change | LHP Jeffrey Springs changed number to 42. |
| Apr 15 | Luis Severino | Number Change | RHP Luis Severino changed number to 42. |
| Apr 15 | José Leclerc | Number Change | RHP José Leclerc changed number to 42. |
| Apr 15 | Jason Alexander | Number Change | RHP Jason Alexander changed number to 42. |
| Apr 15 | Luis Urías | Number Change | 3B Luis Urías changed number to 42. |
| Apr 14 | Angel Perdomo | Outrighted | Athletics sent LHP Angel Perdomo outright to Las Vegas Aviators. |
| Apr 12 | J.T. Ginn | Recalled | Athletics recalled RHP J.T. Ginn from Las Vegas Aviators. |
| Apr 12 | Angel Perdomo | Designated for Assignment | Athletics designated LHP Angel Perdomo for assignment. |
| Apr 10 | Gustavo Rodriguez | Signed as Free Agent | Athletics signed free agent RHP Gustavo Rodriguez to a minor league contract. |
| Apr 7 | Brady Basso | Status Change | Athletics transferred LHP Brady Basso from the 15-day injured list to the 60-day injured list. Strained left shoulder. |
| Apr 7 | Jason Alexander | Selected | Athletics selected the contract of RHP Jason Alexander from Las Vegas Aviators. |
| Apr 7 | Joey Estes | Optioned | Athletics optioned RHP Joey Estes to Las Vegas Aviators. |
| Apr 3 | Brett Harris | Optioned | Athletics optioned 3B Brett Harris to Las Vegas Aviators. |
| Apr 2 | Carlos Duran | Trade | Athletics traded LF Esteury Ruiz to Los Angeles Dodgers for RHP Carlos Duran. |
| Mar 31 | Hogan Harris | Optioned | Athletics optioned LHP Hogan Harris to Las Vegas Aviators. |
| Mar 31 | Angel Perdomo | Status Change | Athletics activated LHP Angel Perdomo. |
| Mar 30 | Esteury Ruiz | Designated for Assignment | Athletics designated LF Esteury Ruiz for assignment. |
| Mar 30 | Angel Perdomo | Claimed Off Waivers | Athletics claimed LHP Angel Perdomo off waivers from Los Angeles Angels. |
| Mar 30 | Brett Harris | Assigned | Athletics sent 3B Brett Harris on a rehab assignment to Las Vegas Aviators. |
| Mar 27 | Ken Waldichuk | Status Change | Athletics placed LHP Ken Waldichuk on the 60-day injured list retroactive to March 26, 2025. Recovery from Tommy John surgery. |
| Mar 27 | Max Muncy | Selected | Athletics selected the contract of SS Max Muncy from Lansing Lugnuts. |
| Mar 26 | Zack Gelof | Status Change | Athletics placed 2B Zack Gelof on the 10-day injured list. Right wrist surgery. |
| Mar 26 | Michel Otañez | Status Change | Athletics placed RHP Michel Otañez on the 15-day injured list. Right shoulder impingement. |
| Mar 25 | Brett Harris | Status Change | Athletics placed 3B Brett Harris on the 10-day injured list retroactive to March 24, 2025. Left oblique strain. |
| Mar 24 | Brady Basso | Status Change | Athletics placed LHP Brady Basso on the 15-day injured list. Strained left shoulder. |
| Mar 22 | Jake Christianson | Signed as Free Agent | Athletics signed free agent RHP Jake Christianson to a minor league contract. |
| Mar 22 | Jose Dicochea | Assigned | RHP Jose Dicochea assigned to Athletics. |
| Mar 22 | Jake Pfennigs | Assigned | RHP Jake Pfennigs assigned to Athletics. |
| Mar 22 | Cesar Franco | Assigned | OF Cesar Franco assigned to Athletics. |
| Mar 22 | Dylan Fien | Assigned | C Dylan Fien assigned to Athletics. |
| Mar 21 | Tommy Takayoshi | Assigned | C Thomas Takayoshi assigned to Athletics. |
| Mar 21 | Jared Sprague-Lott | Assigned | SS Jared Sprague-Lott assigned to Athletics. |
| Mar 21 | Mark Adamiak | Assigned | RHP Mark Adamiak assigned to Athletics. |
| Mar 21 | Gunner Gouldsmith | Assigned | SS Gunner Gouldsmith assigned to Athletics. |
| Mar 21 | Jesus Superlano | Assigned | 3B Jesus Superlano assigned to Athletics. |
| Mar 21 | Cameron Leary | Assigned | RF Cameron Leary assigned to Athletics. |
| Mar 20 | C.J. Pittaro | Assigned | SS C.J. Pittaro assigned to Athletics. |
| Mar 20 | Elvis Rijo | Assigned | 2B Elvis Rijo assigned to Athletics. |
| Mar 20 | Nathan Dettmer | Assigned | RHP Nathan Dettmer assigned to Athletics. |
| Mar 20 | CJ Alexander | Optioned | Athletics optioned 3B CJ Alexander to Las Vegas Aviators. |
| Mar 19 | Ali Camarillo | Assigned | SS Ali Camarillo assigned to Athletics. |
| Mar 19 | Angel Arevalo | Assigned | 2B Angel Arevalo assigned to Athletics. |
| Mar 19 | T.J. Schofield-Sam | Assigned | 3B T.J. Schofield-Sam assigned to Athletics. |
| Mar 19 | Max Durrington | Assigned | IF Max Durrington assigned to Athletics. |
| Mar 19 | Myles Naylor | Assigned | 3B Myles Naylor assigned to Athletics. |
| Mar 19 | Clark Elliott | Assigned | LF Clark Elliott assigned to Athletics. |
| Mar 19 | Edgar Sanchez | Assigned | RHP Edgar Sanchez assigned to Athletics. |
| Mar 17 | Hunter Breault | Status Change | RHP Hunter Breault roster status changed by Athletics. |
| Mar 17 | CJ Rodriguez | Status Change | C CJ Rodriguez roster status changed by Athletics. |
| Mar 17 | Blaze Pontes | Assigned | RHP Blaze Pontes assigned to Athletics. |
| Mar 17 | Jackson Finley | Assigned | RHP Jackson Finley assigned to Athletics. |
| Mar 17 | Hunter Breault | Assigned | RHP Hunter Breault assigned to Athletics. |
| Mar 17 | CJ Rodriguez | Assigned | C CJ Rodriguez assigned to Athletics. |
| Mar 17 | Esteury Ruiz | Optioned | Athletics optioned LF Esteury Ruiz to Las Vegas Aviators. |
| Mar 17 | Darell Hernaiz | Optioned | Athletics optioned 3B Darell Hernaiz to Las Vegas Aviators. |
| Mar 17 | Grant Holman | Optioned | Athletics optioned RHP Grant Holman to Las Vegas Aviators. |
| Mar 17 | J.T. Ginn | Optioned | Athletics optioned RHP J.T. Ginn to Las Vegas Aviators. |
| Mar 17 | Elvis Alvarado | Optioned | Athletics optioned RHP Elvis Alvarado to Las Vegas Aviators. |
| Mar 15 | Casey Yamauchi | Assigned | SS Casey Yamauchi assigned to Athletics. |
| Mar 15 | Brayan Buelvas | Assigned | OF Brayan Buelvas assigned to Athletics. |
| Mar 15 | Garrett Irvin | Assigned | LHP Garrett Irvin assigned to Athletics. |
| Mar 14 | Corey Avant | Assigned | RHP Corey Avant assigned to Athletics. |
| Mar 13 | Yehizon Sanchez | Status Change | RHP Yehizon Sanchez roster status changed by Athletics. |
| Mar 13 | Davis Diaz | Status Change | C Davis Diaz roster status changed by Athletics. |
| Mar 13 | Yehizon Sanchez | Status Change | RHP Yehizon Sanchez roster status changed by Athletics. |
| Mar 13 | Davis Diaz | Assigned | C Davis Diaz assigned to Athletics. |
| Mar 13 | Yehizon Sanchez | Assigned | RHP Yehizon Sanchez assigned to Athletics. |
| Mar 13 | Cooper Bowman | Outrighted | Athletics sent 2B Cooper Bowman outright to Las Vegas Aviators. |
| Mar 12 | Cooper Bowman | Status Change | 2B Cooper Bowman roster status changed by Athletics. |
| Mar 12 | Jacob Lopez | Optioned | Athletics optioned LHP Jacob Lopez to Las Vegas Aviators. |
| Mar 12 | Cooper Bowman | Returned | 2B Cooper Bowman returned to Athletics from Cincinnati Reds. |
| Mar 12 | Henry Gomez | Assigned | RHP Henry Gomez assigned to Athletics. |
| Mar 12 | Sahid Valenzuela | Assigned | 2B Sahid Valenzuela assigned to Athletics. |
| Mar 12 | Caeden Trenkle | Assigned | CF Caeden Trenkle assigned to Athletics. |
| Mar 12 | Mario Gomez | Assigned | C Mario Gomez assigned to Athletics. |
| Mar 11 | Pedro Pineda | Status Change | CF Pedro Pineda roster status changed by Athletics. |
| Mar 11 | Tom Reisinger | Assigned | RHP Tom Reisinger assigned to Athletics. |
| Mar 11 | Mitch Myers | Assigned | RHP Mitch Myers assigned to Athletics. |
| Mar 11 | Pedro Pineda | Assigned | CF Pedro Pineda assigned to Athletics. |
| Mar 10 | Shane McGuire | Status Change | C Shane McGuire roster status changed by Athletics. |
| Mar 10 | Shane McGuire | Assigned | C Shane McGuire assigned to Athletics. |
| Mar 10 | Gunnar Hoglund | Optioned | Athletics optioned RHP Gunnar Hoglund to Las Vegas Aviators. |
| Mar 10 | Ryan Cusick | Optioned | Athletics optioned RHP Ryan Cusick to Las Vegas Aviators. |
| Mar 10 | Denzel Clarke | Optioned | Athletics optioned CF Denzel Clarke to Las Vegas Aviators. |
| Mar 9 | Euribiel Angeles | Status Change | 3B Euribiel Angeles roster status changed by Athletics. |
| Mar 9 | Euribiel Angeles | Assigned | 3B Euribiel Angeles assigned to Athletics. |
| Mar 9 | Brennan Milone | Assigned | 3B Brennan Milone assigned to Athletics. |
| Mar 8 | Jared Dickey | Assigned | RF Jared Dickey assigned to Athletics. |
| Mar 8 | James Gonzalez | Assigned | LHP James Gonzalez assigned to Athletics. |
| Mar 4 | Cole Conn | Status Change | C Cole Conn roster status changed by Athletics. |
| Mar 4 | Cole Conn | Assigned | C Cole Conn assigned to Athletics. |
| Mar 3 | Gage Jump | Assigned | LHP Gage Jump assigned to Athletics. |
| Mar 2 | Yunior Tur | Assigned | RHP Yunior Tur assigned to Athletics. |
| Mar 1 | Tommy White | Status Change | 3B Tommy White roster status changed by Athletics. |
| Mar 1 | Tommy White | Status Change | 3B Tommy White roster status changed by Athletics. |
| Mar 1 | Tommy White | Assigned | 3B Tommy White assigned to Athletics. |
| Feb 28 | Nate Nankil | Assigned | RF Nate Nankil assigned to Athletics. |
| Feb 27 | Junior Perez | Status Change | CF Junior Perez roster status changed by Athletics. |
| Feb 27 | Stevie Emanuels | Assigned | RHP Stevie Emanuels assigned to Athletics. |
| Feb 27 | Wander Guante | Assigned | RHP Wander Guante assigned to Athletics. |
| Feb 27 | Luke Mann | Assigned | 3B Luke Mann assigned to Athletics. |
| Feb 27 | Junior Perez | Assigned | CF Junior Perez assigned to Athletics. |
| Feb 26 | Colton Johnson | Assigned | LHP Colton Johnson assigned to Athletics. |
| Feb 26 | Steven Echavarria | Assigned | RHP Steven Echavarria assigned to Athletics. |
| Feb 26 | Colby Halter | Assigned | 2B Colby Halter assigned to Athletics. |
| Feb 26 | Ryan Lasko | Assigned | CF Ryan Lasko assigned to Athletics. |
| Feb 25 | Kade Morris | Status Change | RHP Kade Morris roster status changed by Athletics. |
| Feb 25 | Kade Morris | Assigned | RHP Kade Morris assigned to Athletics. |
| Feb 25 | Shohei Tomioka | Assigned | RHP Shohei Tomioka assigned to Athletics. |
| Feb 25 | Jake Garland | Assigned | RHP Jake Garland assigned to Athletics. |
| Feb 24 | Diego Barrera | Status Change | LHP Diego Barrera roster status changed by Athletics. |
| Feb 24 | Will Johnston | Assigned | LHP Will Johnston assigned to Athletics. |
| Feb 24 | Diego Barrera | Assigned | LHP Diego Barrera assigned to Athletics. |
| Feb 24 | Luis Morales | Assigned | RHP Luis Morales assigned to Athletics. |
| Feb 24 | Joshua Kuroda-Grauer | Assigned | SS Joshua Kuroda-Grauer assigned to Athletics. |
| Feb 24 | Rodney Green Jr. | Assigned | CF Rodney Green assigned to Athletics. |
| Feb 24 | Drew Swift | Assigned | 3B Drew Swift assigned to Athletics. |
| Feb 23 | Carter Aldrete | Status Change | 3B Carter Aldrete roster status changed by Athletics. |
| Feb 23 | David Leal | Status Change | LHP David Leal roster status changed by Athletics. |
| Feb 23 | Carter Aldrete | Status Change | 3B Carter Aldrete roster status changed by Athletics. |
| Feb 23 | Micah Dallas | Status Change | RHP Micah Dallas roster status changed by Athletics. |
| Feb 23 | Jack Cushing | Status Change | RHP Jack Cushing roster status changed by Athletics. |
| Feb 23 | Jake Walkinshaw | Assigned | RHP Jake Walkinshaw assigned to Athletics. |
| Feb 23 | Carter Aldrete | Assigned | 3B Carter Aldrete assigned to Athletics. |
| Feb 23 | David Leal | Assigned | LHP David Leal assigned to Athletics. |
| Feb 23 | Micah Dallas | Assigned | RHP Micah Dallas assigned to Athletics. |
| Feb 23 | Colin Peluse | Assigned | RHP Colin Peluse assigned to Athletics. |
| Feb 23 | Tyler Baum | Assigned | RHP Tyler Baum assigned to Athletics. |
| Feb 23 | Jack Cushing | Status Change | RHP Jack Cushing roster status changed by Athletics. |
| Feb 23 | Jack Cushing | Assigned | RHP Jack Cushing assigned to Athletics. |
| Feb 20 | Dylan Floro | Status Change | RHP Dylan Floro roster status changed by Athletics. |
| Feb 20 | Dylan Floro | Signed as Free Agent | Athletics signed free agent RHP Dylan Floro to a minor league contract and invited him to spring training. |
| Feb 17 | Luis Urías | Signed as Free Agent | Athletics signed free agent 3B Luis Urías. |
| Feb 17 | Luis Medina | Status Change | Athletics placed RHP Luis Medina on the 60-day injured list. Tommy John Surgery. |
| Feb 17 | Lyle Lin | Signed as Free Agent | Athletics signed free agent C Lyle Lin to a minor league contract and invited him to spring training. |
| Feb 6 | Kyle McCann | Status Change | C Kyle McCann roster status changed by Athletics. |
| Feb 6 | Kyle McCann | Status Change | C Kyle McCann roster status changed by Athletics. |
| Feb 6 | Anthony Maldonado | Assigned | Athletics invited non-roster RHP Anthony Maldonado to spring training. |
| Feb 6 | Kyle McCann | Assigned | Athletics invited non-roster C Kyle McCann to spring training. |
| Feb 5 | Anthony Maldonado | Outrighted | Athletics sent RHP Anthony Maldonado outright to Las Vegas Aviators. |
| Feb 5 | Kyle McCann | Outrighted | Athletics sent C Kyle McCann outright to Las Vegas Aviators. |
| Feb 3 | Carter Aldrete | Signed as Free Agent | Athletics signed free agent 2B Carter Aldrete to a minor league contract. |
| Jan 30 | Jhonny Pereda | Trade | Miami Marlins traded C Jhonny Pereda to Athletics for cash. |
| Jan 30 | Kyle McCann | Designated for Assignment | Athletics designated C Kyle McCann for assignment. |
| Jan 30 | Elvis Alvarado | Claimed Off Waivers | Athletics claimed RHP Elvis Alvarado off waivers from Pittsburgh Pirates. |
| Jan 30 | Anthony Maldonado | Designated for Assignment | Athletics designated RHP Anthony Maldonado for assignment. |
| Jan 24 | Edgar Sanchez | Signed as Free Agent | Athletics signed free agent RHP Edgar Sanchez to a minor league contract. |
| Jan 22 | Ben Newton | Signed as Free Agent | Athletics signed free agent 2B Ben Newton to a minor league contract. |
| Jan 21 | — | Trade | Athletics traded RHP Will Klein to Seattle Mariners for Other Considerations. |
| Jan 17 | Brett Harris | Number Change | 3B Brett Harris changed number to 11. |
| Jan 17 | Will Klein | Designated for Assignment | Oakland Athletics designated RHP Will Klein for assignment. |
| Jan 17 | Hogan Harris | Number Change | LHP Hogan Harris changed number to 36. |
| Jan 17 | Tyler Ferguson | Number Change | RHP Tyler Ferguson changed number to 44. |
| Jan 17 | Colby Thomas | Assigned | Athletics invited non-roster RF Colby Thomas to spring training. |
| Jan 17 | Henry Bolte | Assigned | Athletics invited non-roster RF Henry Bolte to spring training. |
| Jan 17 | Max Muncy | Assigned | Athletics invited non-roster SS Max Muncy to spring training. |
| Jan 17 | Nick Kurtz | Assigned | Athletics invited non-roster 1B Nick Kurtz to spring training. |
| Jan 17 | Logan Davidson | Assigned | Athletics invited non-roster 1B Logan Davidson to spring training. |
| Jan 17 | Daniel Susac | Assigned | Athletics invited non-roster C Daniel Susac to spring training. |
| Jan 17 | Chen Zhong-Ao Zhuang | Assigned | Athletics invited non-roster RHP Chen Zhong-Ao Zhuang to spring training. |
| Jan 17 | Pedro Santos | Assigned | Athletics invited non-roster RHP Pedro Santos to spring training. |
| Jan 17 | Domingo Robles | Assigned | Athletics invited non-roster LHP Domingo Robles to spring training. |
| Jan 17 | Jack Perkins | Assigned | Athletics invited non-roster RHP Jack Perkins to spring training. |
| Jan 17 | Matt Krook | Assigned | Athletics invited non-roster LHP Matt Krook to spring training. |
| Jan 17 | Tanner Dodson | Assigned | Athletics invited non-roster RHP Tanner Dodson to spring training. |
| Jan 17 | Mason Barnett | Assigned | Athletics invited non-roster RHP Mason Barnett to spring training. |
| Jan 17 | Jason Alexander | Assigned | Athletics invited non-roster RHP Jason Alexander to spring training. |
| Jan 17 | José Leclerc | Signed as Free Agent | Athletics signed free agent RHP José Leclerc. |
| Jan 15 | Ayden Johnson | Signed as Free Agent | Athletics signed free agent SS Ayden Johnson to a minor league contract. |
| Jan 15 | Yordan Rodriguez | Signed as Free Agent | Athletics signed free agent RHP Yordan Rodriguez to a minor league contract. |
| Jan 15 | Luis Cuevas | Signed as Free Agent | Athletics signed free agent SS Luis Cuevas to a minor league contract. |
| Jan 15 | Ricardo Reyes | Signed as Free Agent | Athletics signed free agent RHP Ricardo Reyes to a minor league contract. |
| Jan 15 | Jhose Brea | Signed as Free Agent | Athletics signed free agent RHP Jhose Brea to a minor league contract. |
| Jan 15 | Darwing Ozuna | Signed as Free Agent | Athletics signed free agent OF Darwing Ozuna to a minor league contract. |
| Jan 15 | Yerlin Burgos | Signed as Free Agent | Athletics signed free agent RHP Yerlin Burgos to a minor league contract. |
| Jan 15 | Yorvit Diaz | Signed as Free Agent | Athletics signed free agent SS Yorvit Diaz to a minor league contract. |
| Jan 15 | Ricardo Osorio | Signed as Free Agent | Athletics signed free agent RHP Ricardo Osorio to a minor league contract. |
| Jan 15 | Aiverson Barazarte | Signed as Free Agent | Athletics signed free agent C Aiverson Barazarte to a minor league contract. |
| Jan 15 | Carlos Salmeron | Signed as Free Agent | Athletics signed free agent OF Carlos Salmeron to a minor league contract. |
| Jan 15 | Edwin Mendoza | Signed as Free Agent | Athletics signed free agent RHP Edwin Mendoza to a minor league contract. |
| Jan 15 | Breyson Guedez | Signed as Free Agent | Athletics signed free agent OF Breyson Guedez to a minor league contract. |
| Jan 15 | Jesus Delgado | Signed as Free Agent | Athletics signed free agent RHP Jesus Delgado to a minor league contract. |
| Jan 15 | Shotaro Morii | Signed as Free Agent | Athletics signed free agent SS Shotaro Morii to a minor league contract. |
| Jan 8 | CD Pelham | Status Change | LHP CD Pelham roster status changed by Athletics. |
| Jan 8 | CD Pelham | Signed as Free Agent | Athletics signed free agent LHP CD Pelham to a minor league contract. |