Portland Sea Dogs Roster & Staff
BOS Transactions
| Date | Transaction |
| 06/06/26 | Portland Sea Dogs sent LHP Jeremy Wu-Yelland on a rehab assignment to FCL Red Sox. |
| 06/06/26 | Boston Red Sox sent RHP Garrett Whitlock on a rehab assignment to Worcester Red Sox. |
| 06/06/26 | Boston Red Sox recalled LHP Alec Gamboa from Worcester Red Sox. |
| 06/05/26 | Boston Red Sox sent LHP Patrick Sandoval on a rehab assignment to Worcester Red Sox. |
| 06/05/26 | LHP Joe La Sorsa assigned to Worcester Red Sox. |
| 06/05/26 | Boston Red Sox selected the contract of LHP Joe La Sorsa from Worcester Red Sox. |
| 06/05/26 | Boston Red Sox optioned RHP Brayan Bello to Worcester Red Sox. |
| 06/04/26 | RHP Yermain Ruiz assigned to Salem RidgeYaks from FCL Red Sox. |
| 06/04/26 | 2B Tyler McDonough assigned to Worcester Red Sox from Portland Sea Dogs. |
| 06/04/26 | RHP Yermain Ruiz assigned to Salem RidgeYaks from FCL Red Sox. |
| 06/04/26 | 2B Tyler McDonough assigned to Worcester Red Sox from Portland Sea Dogs. |
| 06/04/26 | Boston Red Sox selected the contract of RHP Tommy Kahnle from Worcester Red Sox. |
| 06/04/26 | Boston Red Sox optioned LHP Tyler Samaniego to Worcester Red Sox. |
| 06/03/26 | Boston Red Sox recalled 2B Anthony Seigler from Worcester Red Sox. |
| 06/03/26 | Boston Red Sox signed free agent LHP Victor Aracena to a minor league contract. |
| 06/02/26 | Greenville Drive sent RHP Brady Tygart on a rehab assignment to Salem RidgeYaks. |
| 06/02/26 | Greenville Drive placed SS Henry Godbout on the 7-day injured list. |
| 06/02/26 | RHP Joe Vogatsky assigned to Greenville Drive from Portland Sea Dogs. |
| 06/02/26 | LHP Michael Sansone assigned to Portland Sea Dogs from Worcester Red Sox. |
| 06/02/26 | RHP Joe Vogatsky assigned to Greenville Drive from Portland Sea Dogs. |
| 06/02/26 | Greenville Drive sent RHP Brady Tygart on a rehab assignment to Salem RidgeYaks. |
| 06/02/26 | Salem RidgeYaks placed RHP Jose Bello on the 7-day injured list. |
| 06/02/26 | Worcester Red Sox activated RHP Osvaldo Berrios from the 60-day injured list. |
| 06/02/26 | LHP Michael Sansone assigned to Portland Sea Dogs from Worcester Red Sox. |
| 06/01/26 | DSL Red Sox Blue placed RHP Albert Pena on the 60-day injured list. |