Portland Sea Dogs Roster & Staff
Portland Transactions
| Date | Transaction |
| 03/28/25 | C Nathan Hickey assigned to Worcester Red Sox from Portland Sea Dogs. |
| 03/26/25 | Portland Sea Dogs released RHP Taylor Broadway. |
| 03/23/25 | RHP Isaac Coffey assigned to Worcester Red Sox from Portland Sea Dogs. |
| 03/20/25 | Portland Sea Dogs placed C Matt Donlan on the full-season injured list. |
| 03/07/25 | Boston Red Sox optioned RHP Luis Perales to Portland Sea Dogs. |
| 03/07/25 | Boston Red Sox optioned CF Jhostynxon Garcia to Portland Sea Dogs. |