Athletics Roster & Staff
Transactions
| Date | Transaction |
| 07/31/25 | 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. |
| 07/31/25 | 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. |
| 07/31/25 | 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. |
| 07/31/25 | 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. |
| 07/31/25 | 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. |
| 07/31/25 | Athletics traded LF Miguel Andujar to Cincinnati Reds for RHP Kenya Huggins. |
| 07/31/25 | Athletics traded LF Miguel Andujar to Cincinnati Reds for RHP Kenya Huggins. |
| 07/31/25 | 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. |
| 07/29/25 | Athletics recalled 3B Darell Hernaiz from Las Vegas Aviators. |
| 07/25/25 | Houston Astros claimed 1B Logan Davidson off waivers from Athletics. |
| 07/24/25 | 1B Logan Davidson roster status changed by Athletics. |
| 07/23/25 | Athletics signed RHP Itsuki Takemoto. |
| 07/23/25 | Athletics signed SS Bobby Boser. |
| 07/23/25 | Athletics signed 3B Daniel Bucciero. |
| 07/23/25 | Athletics signed LHP Grant Richardson. |
| 07/23/25 | Athletics signed RHP Samuel Dutton. |
| 07/23/25 | Athletics signed RHP Kade Brown. |
| 07/23/25 | Athletics signed SS Michael Brooks. |
| 07/23/25 | Athletics signed C Diego Rosa. |
| 07/23/25 | Athletics signed OF Bobby Blandford. |
| 07/23/25 | Athletics signed OF Gavin Turley. |
| 07/23/25 | Athletics signed C Bryan Arendt. |
| 07/23/25 | Athletics signed LHP Jamie Arnold. |
| 07/23/25 | Athletics signed OF Devin Taylor. |
| 07/23/25 | Athletics signed LHP Jackson Phipps. |
| 07/23/25 | Athletics signed SS Jared Davis. |
| 07/23/25 | Athletics signed RHP Jay Dill. |
| 07/23/25 | Athletics signed RHP Zane Taylor. |
| 07/23/25 | Athletics signed C Owen Carapellotti. |
| 07/23/25 | Athletics designated 1B Logan Davidson for assignment. |
| 07/23/25 | Athletics signed LHP Alex Barr. |
| 07/23/25 | Athletics signed RHP Jackson Holmes. |
| 07/23/25 | Athletics signed LHP Corey Braun. |
| 07/23/25 | Athletics signed LHP Griffin Kirn. |
| 07/23/25 | Athletics signed free agent SS Bryson McArn to a minor league contract. |
| 07/23/25 | Athletics signed C Logan Sauve. |
| 07/23/25 | RHP Itsuki Takemoto assigned to Athletics. |
| 07/23/25 | Athletics optioned LHP Hogan Harris to Las Vegas Aviators. |
| 07/23/25 | Athletics selected the contract of LHP Ben Bowden from Las Vegas Aviators. |
| 07/22/25 | Athletics placed CF Denzel Clarke on the 10-day injured list retroactive to July 21, 2025. Right adductor strain. |
| 07/22/25 | Athletics placed 3B Max Muncy on the 10-day injured list. Right hand fracture. |
| 07/22/25 | Minnesota Twins claimed C Jhonny Pereda off waivers from Athletics. |
| 07/22/25 | Athletics recalled LF Carlos Cortes from Las Vegas Aviators. |
| 07/22/25 | Athletics recalled RF Colby Thomas from Las Vegas Aviators. |
| 07/19/25 | Athletics activated LHP Ken Waldichuk from the 60-day injured list. |
| 07/19/25 | Athletics designated C Jhonny Pereda for assignment. |
| 07/19/25 | Athletics optioned LHP Ken Waldichuk to Las Vegas Aviators. |
| 07/15/25 | Athletics transferred RHP Grant Holman from the 15-day injured list to the 60-day injured list. Right shoulder rotator cuff tendinitis. |
| 07/15/25 | Athletics selected the contract of LF Carlos Cortes from Las Vegas Aviators. |
| 07/15/25 | Athletics optioned LF Carlos Cortes to Las Vegas Aviators. |
| 07/13/25 | Athletics activated 2B Luis Urías from the 10-day injured list. |
| 07/13/25 | Athletics optioned 2B Zack Gelof to Las Vegas Aviators. |
| 07/10/25 | Athletics recalled RHP Osvaldo Bido from Las Vegas Aviators. |
| 07/10/25 | Athletics optioned RHP Mitch Spence to Las Vegas Aviators. |
| 07/09/25 | Athletics activated LF Miguel Andujar from the 10-day injured list. |
| 07/09/25 | Athletics optioned RF Colby Thomas to Las Vegas Aviators. |
| 07/05/25 | Athletics signed free agent RHP Angel Vizcaino to a minor league contract. |
| 07/05/25 | Athletics signed free agent C Jean Peralta to a minor league contract. |
| 07/04/25 | Athletics activated 2B Zack Gelof from the 60-day injured list. |
| 07/04/25 | Athletics placed 2B Luis Urías on the 10-day injured list retroactive to July 3, 2025. Right hamstring strain. |
| 07/02/25 | Athletics released LHP T.J. McFarland. |
| 07/02/25 | Athletics sent LF Miguel Andujar on a rehab assignment to Las Vegas Aviators. |