Buffalo Bisons Roster & Staff
Buffalo Transactions
| Date | Transaction |
| 05/12/26 | Buffalo Bisons sent RHP Jake Bloss on a rehab assignment to FCL Blue Jays. |
| 05/12/26 | Buffalo Bisons activated RF Je'Von Ward from the Development List. |
| 05/12/26 | C Adam Hackenberg assigned to Dunedin Blue Jays from Buffalo Bisons. |
| 05/11/26 | Toronto Blue Jays selected the contract of RHP Yariel Rodríguez from Buffalo Bisons. |
| 05/11/26 | Toronto Blue Jays recalled LF Yohendrick Piñango from Buffalo Bisons. |
| 05/09/26 | Toronto Blue Jays optioned LF Yohendrick Piñango to Buffalo Bisons. |
| 05/05/26 | Buffalo Bisons activated LF Jonatan Clase from the 7-day injured list. |
| 05/05/26 | Buffalo Bisons transferred RF Je'Von Ward to the Development List. |
| 05/02/26 | DH Eloy Jiménez elected free agency. |
| 05/02/26 | Toronto Blue Jays sent DH Eloy Jiménez outright to Buffalo Bisons. |
| 05/01/26 | Buffalo Bisons transferred C Adam Hackenberg to the Development List. |
| 05/01/26 | Buffalo Bisons activated RHP Yariel Rodríguez from the 7-day injured list. |
| 05/01/26 | Buffalo Bisons placed RHP Jorge Alcala on the 7-day injured list. |
| 05/01/26 | LF Ismael Munguia assigned to Buffalo Bisons from New Hampshire Fisher Cats. |