Athletics Roster & Staff
Transactions
| Date | Transaction |
| 01/18/26 | Athletics signed free agent C Chad Wallach to a minor league contract. |
| 01/15/26 | Athletics signed free agent SS Edward Suazo to a minor league contract. |
| 01/15/26 | Athletics signed free agent SS Johenssy Colome to a minor league contract. |
| 01/15/26 | Athletics signed free agent 3B Erick Encarnacion to a minor league contract. |
| 01/15/26 | Athletics signed free agent SS Ricky Duran to a minor league contract. |
| 01/15/26 | Athletics signed free agent C Jose Perdomo to a minor league contract. |
| 01/15/26 | Athletics signed free agent OF Darian Rojas to a minor league contract. |
| 01/15/26 | Athletics signed free agent LHP Wensloby Jhon to a minor league contract. |
| 01/09/26 | Athletics signed free agent 1B Judah Morris to a minor league contract. |
| 01/08/26 | Atlanta Braves claimed LHP Ken Waldichuk off waivers from Athletics. |