Guardians Roster & Staff
Transactions
| Date | Transaction |
| 09/17/26 | Cleveland Guardians sent RHP Colin Holderman on a rehab assignment to Columbus Clippers. |
| 09/16/26 | LF Steven Kwan changed number to 38. |
| 09/16/26 | 3B José Ramírez changed number to 11. |
| 09/16/26 | LHP Joey Cantillo changed number to 54. |
| 09/15/26 | LHP Joey Cantillo changed number to 21. |
| 09/15/26 | LF Steven Kwan changed number to 21. |
| 09/15/26 | 3B José Ramírez changed number to 21. |
| 09/13/26 | Cleveland Guardians selected the contract of RHP Connor Brogdon from Columbus Clippers. |
| 09/13/26 | Cleveland Guardians optioned RHP Franco Aleman to Columbus Clippers. |
| 09/11/26 | Cleveland Guardians sent RHP Shawn Armstrong on a rehab assignment to Columbus Clippers. |
| 09/11/26 | Cleveland Guardians sent RHP Shawn Armstrong on a rehab assignment to Columbus Clippers. |
| 09/06/26 | Cleveland Guardians sent RHP Carlos Hernández outright to Columbus Clippers. |
| 09/06/26 | Cleveland Guardians recalled RHP Franco Aleman from Columbus Clippers. |
| 09/06/26 | Cleveland Guardians optioned RHP Austin Peterson to Columbus Clippers. |
| 09/04/26 | Cleveland Guardians designated RHP Carlos Hernández for assignment. |
| 09/04/26 | Cleveland Guardians placed RHP Colin Holderman on the 15-day injured list. Right wrist inflammation. |
| 09/04/26 | Cleveland Guardians activated RHP Slade Cecconi from the 15-day injured list. |
| 09/04/26 | Cleveland Guardians recalled RHP Daniel Espino from Columbus Clippers. |
| 09/04/26 | Cleveland Guardians optioned LHP Logan Allen to Columbus Clippers. |
| 09/04/26 | Cleveland Guardians recalled RHP Austin Peterson from Columbus Clippers. |
| 09/01/26 | Cleveland Guardians selected the contract of RHP Carlos Hernández from Columbus Clippers. |
| 09/01/26 | Cleveland Guardians recalled CF Daniel Schneemann from Columbus Clippers. |