New Hampshire Fisher Cats Roster & Staff
New Hampshire Transactions
| Date | Transaction |
| 07/31/26 | LHP Mason Olson assigned to Buffalo Bisons from New Hampshire Fisher Cats. |
| 07/28/26 | New Hampshire Fisher Cats activated C Geovanny Planchart from the 60-day injured list. |
| 07/28/26 | New Hampshire Fisher Cats activated RHP Irv Carter from the 7-day injured list. |
| 07/28/26 | SS Nick Goodwin assigned to Buffalo Bisons from New Hampshire Fisher Cats. |
| 07/28/26 | RHP Jonathan Todd assigned to New Hampshire Fisher Cats from Vancouver Canadians. |
| 07/28/26 | RHP Beau Philip assigned to Buffalo Bisons from New Hampshire Fisher Cats. |
| 07/28/26 | OF Mathieu Vallee assigned to New Hampshire Fisher Cats from Vancouver Canadians. |
| 07/28/26 | 2B J.R. Freethy assigned to New Hampshire Fisher Cats from Vancouver Canadians. |
| 07/28/26 | RHP Caleb Freeman assigned to Buffalo Bisons from New Hampshire Fisher Cats. |
| 07/28/26 | RHP Austin Marozas assigned to New Hampshire Fisher Cats from Vancouver Canadians. |
| 07/26/26 | New Hampshire Fisher Cats released OF Jackson Hornung. |
| 07/26/26 | New Hampshire Fisher Cats released C Patrick Winkel. |
| 07/24/26 | New Hampshire Fisher Cats placed RHP Nolan Perry on the 7-day injured list retroactive to July 22, 2026. |
| 07/24/26 | RHP Angel Obando assigned to New Hampshire Fisher Cats from Dunedin Blue Jays. |
| 07/21/26 | New Hampshire Fisher Cats activated C Aaron Parker from the 7-day injured list. |
| 07/21/26 | New Hampshire Fisher Cats released C Adam Hackenberg. |
| 07/21/26 | New Hampshire Fisher Cats sent RHP T.J. Brock on a rehab assignment to Dunedin Blue Jays. |
| 07/21/26 | New Hampshire Fisher Cats activated C Jacob Sharp. |
| 07/21/26 | LHP Mason Olson assigned to New Hampshire Fisher Cats from Buffalo Bisons. |
| 07/21/26 | LHP Javen Coleman assigned to Buffalo Bisons from New Hampshire Fisher Cats. |
| 07/21/26 | C Jacob Sharp assigned to New Hampshire Fisher Cats from Vancouver Canadians. |
| 07/19/26 | LHP Mason Olson assigned to Buffalo Bisons from New Hampshire Fisher Cats. |
| 07/17/26 | New Hampshire Fisher Cats sent RHP T.J. Brock on a rehab assignment to FCL Blue Jays. |
| 07/17/26 | New Hampshire Fisher Cats sent RHP T.J. Brock on a rehab assignment to FCL Blue Jays. |
| 07/14/26 | New Hampshire Fisher Cats sent C Geovanny Planchart on a rehab assignment to FCL Blue Jays. |
| 07/11/26 | RHP Sam Gardner assigned to Buffalo Bisons from New Hampshire Fisher Cats. |
| 07/11/26 | C Adam Hackenberg assigned to New Hampshire Fisher Cats from Dunedin Blue Jays. |
| 07/10/26 | New Hampshire Fisher Cats placed C Aaron Parker on the 7-day injured list. |
| 07/09/26 | RHP Austin Marozas assigned to Vancouver Canadians from New Hampshire Fisher Cats. |
| 07/07/26 | New Hampshire Fisher Cats activated SS Arjun Nimmala from the 7-day injured list. |
| 07/03/26 | New Hampshire Fisher Cats released RHP Rafael Sanchez. |
| 07/01/26 | New Hampshire Fisher Cats sent SS Arjun Nimmala on a rehab assignment to Dunedin Blue Jays. |
| 07/01/26 | New Hampshire Fisher Cats sent RHP Austin Marozas on a rehab assignment to Dunedin Blue Jays. |