Guardians Roster & Staff
Transactions
| Date | Transaction |
| 12/17/25 | Cleveland Guardians designated RF Jhonkensy Noel for assignment. |
| 12/17/25 | RF Chase DeLauter changed number to 14. |
| 12/17/25 | 1B C.J. Kayfus changed number to 2. |
| 12/17/25 | RF George Valera changed number to 7. |
| 12/17/25 | Toronto Blue Jays traded LHP Justin Bruihl to Cleveland Guardians for cash. |
| 12/11/25 | Cleveland Guardians signed free agent RHP Colin Holderman. |
| 12/10/25 | Cleveland Guardians purchased contract of RHP Jack Carey in the Rule 5 Draft, AAA Phase. |
| 12/10/25 | Cleveland Guardians purchased contract of RHP Peyton Pallette in the Rule 5 Draft. |
| 12/06/25 | Cleveland Guardians signed free agent LHP Deiker Rojas to a minor league contract. |
| 12/05/25 | St. Louis Cardinals claimed RHP Zak Kent off waivers from Cleveland Guardians. |
| 12/03/25 | Cleveland Guardians signed free agent RHP Connor Brogdon. |