Athletics Roster & Staff
Transactions
| Date | Transaction |
| 02/12/26 | 3B Max Muncy changed number to 3. |
| 02/12/26 | Athletics invited non-roster RHP A.J. Causey to spring training. |
| 02/12/26 | RHP Luis Morales changed number to 19. |
| 02/12/26 | Athletics traded RHP Mitch Spence to Kansas City Royals for RHP A.J. Causey. |
| 02/12/26 | Athletics traded RHP Mitch Spence to Kansas City Royals for RHP A.J. Causey. |
| 02/10/26 | Athletics signed free agent RHP Aaron Civale. |
| 02/10/26 | Athletics designated RHP Grant Holman for assignment. |
| 02/10/26 | Athletics designated RHP Mitch Spence for assignment. |
| 02/10/26 | Athletics signed free agent RHP Scott Barlow. |
| 02/09/26 | Athletics traded 3B Max Schuemann to New York Yankees for RHP Luis Burgos. |
| 02/09/26 | Athletics traded 3B Max Schuemann to New York Yankees for RHP Luis Burgos. |
| 02/06/26 | Athletics designated 3B Max Schuemann for assignment. |
| 02/06/26 | RHP J.T. Ginn changed number to 35. |
| 02/06/26 | Athletics claimed 3B Andy Ibáñez off waivers from Los Angeles Dodgers. |