Athletics Roster & Staff
Transactions
| Date | Transaction |
| 05/31/25 | Athletics optioned RHP Anthony Maldonado to Las Vegas Aviators. |
| 05/31/25 | Athletics recalled RHP Osvaldo Bido from Las Vegas Aviators. |
| 05/30/25 | Detroit Tigers claimed RHP Ryan Cusick off waivers from Athletics. |
| 05/29/25 | Cleveland Guardians claimed LHP Matt Krook off waivers from Athletics. |
| 05/28/25 | Athletics activated LHP Sean Newcomb. |
| 05/28/25 | Athletics optioned RHP Michel Otañez to Las Vegas Aviators. |
| 05/27/25 | Athletics designated RHP Ryan Cusick for assignment. |
| 05/27/25 | Athletics designated LHP Matt Krook for assignment. |
| 05/27/25 | Athletics placed 1B Nick Kurtz on the 10-day injured list retroactive to May 25, 2025. Strained left hip flexor. |
| 05/27/25 | Athletics selected the contract of CF Drew Avans from Las Vegas Aviators. |
| 05/27/25 | Boston Red Sox traded LHP Sean Newcomb to Athletics for cash. |
| 05/25/25 | Athletics sent LF Seth Brown outright to Las Vegas Aviators. |
| 05/23/25 | Athletics placed 3B Gio Urshela on the 10-day injured list. Left hamstring strain. |
| 05/23/25 | Athletics designated LF Seth Brown for assignment. |
| 05/23/25 | Athletics placed 2B Zack Gelof on the 60-day injured list. |
| 05/23/25 | Athletics recalled 3B CJ Alexander from Las Vegas Aviators. |
| 05/23/25 | Athletics optioned RHP Carlos Duran to Las Vegas Aviators. |
| 05/23/25 | Athletics selected the contract of C Willie MacIver from Las Vegas Aviators. |
| 05/23/25 | Athletics optioned CF JJ Bleday to Las Vegas Aviators. |
| 05/23/25 | Athletics selected the contract of 1B Logan Davidson from Las Vegas Aviators. |
| 05/23/25 | Athletics recalled LHP Jacob Lopez from Las Vegas Aviators. |
| 05/23/25 | Athletics optioned C Jhonny Pereda to Las Vegas Aviators. |
| 05/23/25 | Athletics recalled CF Denzel Clarke from Las Vegas Aviators. |
| 05/22/25 | Athletics recalled RHP Carlos Duran from Las Vegas Aviators. |
| 05/22/25 | Athletics optioned LHP Matt Krook to Las Vegas Aviators. |
| 05/20/25 | Athletics placed RHP J.T. Ginn on the 15-day injured list. Right quadriceps strain. |
| 05/20/25 | Athletics recalled RHP Anthony Maldonado from Las Vegas Aviators. |
| 05/19/25 | Athletics activated RHP J.T. Ginn from the 15-day injured list. |
| 05/19/25 | Athletics optioned RHP Anthony Maldonado to Las Vegas Aviators. |
| 05/18/25 | Houston Astros claimed RHP Jason Alexander off waivers from Athletics. |
| 05/16/25 | Athletics designated RHP Jason Alexander for assignment. |
| 05/16/25 | Athletics optioned RHP Osvaldo Bido to Las Vegas Aviators. |
| 05/16/25 | Athletics selected the contract of LHP Matt Krook from Las Vegas Aviators. |
| 05/16/25 | Athletics selected the contract of RHP Anthony Maldonado from Las Vegas Aviators. |
| 05/14/25 | Athletics sent RHP J.T. Ginn on a rehab assignment to Las Vegas Aviators. |
| 05/13/25 | Athletics activated RHP Michel Otañez from the 15-day injured list. |
| 05/13/25 | Athletics recalled RHP Jason Alexander from Las Vegas Aviators. |
| 05/13/25 | Athletics optioned RHP Elvis Alvarado to Las Vegas Aviators. |
| 05/12/25 | Athletics placed LHP T.J. McFarland on the 15-day injured list. Adductor strain. |
| 05/12/25 | RHP Noah Murdock returned to Kansas City Royals from Athletics. |
| 05/09/25 | Athletics designated RHP Noah Murdock for assignment. |
| 05/09/25 | Athletics recalled RHP Elvis Alvarado from Las Vegas Aviators. |
| 05/02/25 | Athletics optioned RHP Carlos Duran to Las Vegas Aviators. |
| 05/02/25 | Athletics recalled RHP Gunnar Hoglund from Las Vegas Aviators. |
| 05/01/25 | Athletics signed free agent RHP Andinson Ferrer to a minor league contract. |