Portland Sea Dogs Roster & Staff
Portland Transactions
| Date | Transaction |
| 07/14/25 | Portland Sea Dogs released SS Luis Ravelo. |
| 07/14/25 | Portland Sea Dogs released RHP Christopher Troye. |
| 07/09/25 | Portland Sea Dogs transferred SS Luis Ravelo to the Development List. |
| 07/09/25 | Portland Sea Dogs activated 3B Tyler Miller from the 7-day injured list. |
| 07/05/25 | Boston Red Sox sent RHP Hunter Dobbins on a rehab assignment to Portland Sea Dogs. |
| 07/05/25 | Boston Red Sox sent RHP Hunter Dobbins on a rehab assignment to Portland Sea Dogs. |
| 07/04/25 | Boston Red Sox sent RHP Tanner Houck on a rehab assignment to Portland Sea Dogs. |
| 07/04/25 | Boston Red Sox sent RHP Tanner Houck on a rehab assignment to Portland Sea Dogs. |
| 07/04/25 | Boston Red Sox sent LF Masataka Yoshida on a rehab assignment to Portland Sea Dogs. |