New Hampshire Fisher Cats Roster & Staff
New Hampshire Transactions
| Date | Transaction |
| 08/25/26 | RHP Daniel Guerra assigned to Buffalo Bisons from New Hampshire Fisher Cats. |
| 08/24/26 | New Hampshire Fisher Cats placed RHP T.J. Brock on the 7-day injured list. |
| 08/23/26 | RHP Devereaux Harrison assigned to New Hampshire Fisher Cats from Buffalo Bisons. |
| 08/22/26 | New Hampshire Fisher Cats placed LF Hedbert Perez on the 7-day injured list. |
| 08/22/26 | New Hampshire Fisher Cats activated OF Mathieu Vallee from the Development List. |
| 08/18/26 | New Hampshire Fisher Cats transferred OF Mathieu Vallee to the Development List. |
| 08/18/26 | C Edward Duran assigned to New Hampshire Fisher Cats from Vancouver Canadians. |
| 08/15/26 | New Hampshire Fisher Cats activated SS Tucker Toman from the temporarily inactive list. |
| 08/13/26 | New Hampshire Fisher Cats activated C Charlie Saum. |
| 08/13/26 | C Charlie Saum assigned to New Hampshire Fisher Cats from Dunedin Blue Jays. |
| 08/12/26 | New Hampshire Fisher Cats placed SS Tucker Toman on the temporarily inactive list. |
| 08/12/26 | New Hampshire Fisher Cats activated 2B Adrian Pinto from the 7-day injured list. |
| 08/11/26 | RHP Austin Marozas assigned to Buffalo Bisons from New Hampshire Fisher Cats. |
| 08/11/26 | LHP Johnny King assigned to New Hampshire Fisher Cats from Vancouver Canadians. |
| 08/11/26 | RHP Daniel Guerra assigned to New Hampshire Fisher Cats from Vancouver Canadians. |
| 08/11/26 | SS Nick Goodwin assigned to Buffalo Bisons from New Hampshire Fisher Cats. |
| 08/06/26 | New Hampshire Fisher Cats activated RHP Nolan Perry from the 7-day injured list. |
| 08/05/26 | New Hampshire Fisher Cats sent 2B Adrian Pinto on a rehab assignment to Dunedin Blue Jays. |
| 08/04/26 | New Hampshire Fisher Cats released 2B Cade Doughty. |
| 08/04/26 | New Hampshire Fisher Cats activated LF Alexis Hernandez. |
| 08/04/26 | New Hampshire Fisher Cats released CF Jorge Burgos. |
| 08/04/26 | New Hampshire Fisher Cats released RHP Chris McElvain. |
| 08/04/26 | New Hampshire Fisher Cats activated SS Tucker Toman. |
| 08/04/26 | New Hampshire Fisher Cats activated SS Eric Snow. |
| 08/04/26 | SS Eric Snow assigned to New Hampshire Fisher Cats from Vancouver Canadians. |
| 08/04/26 | SS Tucker Toman assigned to New Hampshire Fisher Cats from Vancouver Canadians. |
| 08/04/26 | SS Nick Goodwin assigned to New Hampshire Fisher Cats from Buffalo Bisons. |
| 08/04/26 | LF Alexis Hernandez assigned to New Hampshire Fisher Cats from Vancouver Canadians. |
| 08/04/26 | LHP Mason Olson assigned to New Hampshire Fisher Cats from Buffalo Bisons. |