Portland Sea Dogs Roster & Staff
BOS Transactions
| Date | Transaction |
| 07/21/26 | RHP Sadbiel Delzine assigned to Salem RidgeYaks from FCL Red Sox. |
| 07/21/26 | Boston Red Sox recalled RHP Zack Kelly from Worcester Red Sox. |
| 07/21/26 | RHP Blake Wehunt assigned to Worcester Red Sox from Portland Sea Dogs. |
| 07/20/26 | Greenville Drive transferred RHP Austin Ehrlicher from the 7-day injured list to the 60-day injured list. |
| 07/19/26 | Worcester Red Sox released 3B Matt Lloyd. |
| 07/18/26 | Salem RidgeYaks sent LHP Caden Vire on a rehab assignment to FCL Red Sox. |
| 07/18/26 | LHP Aiden VanDeHatert assigned to FCL Red Sox. |
| 07/18/26 | SS Mason White assigned to Portland Sea Dogs from Greenville Drive. |
| 07/18/26 | Portland Sea Dogs activated SS Mason White. |
| 07/18/26 | SS Mason White assigned to Portland Sea Dogs from Greenville Drive. |
| 07/18/26 | Salem RidgeYaks sent LHP Caden Vire on a rehab assignment to FCL Red Sox. |
| 07/18/26 | Worcester Red Sox activated LHP Alec Gamboa. |
| 07/18/26 | Boston Red Sox optioned LHP Alec Gamboa to Worcester Red Sox. |
| 07/17/26 | RHP Lucas Davenport assigned to FCL Red Sox. |
| 07/17/26 | SS Jacob Webster assigned to FCL Red Sox. |
| 07/17/26 | LHP Carson Revay assigned to FCL Red Sox. |
| 07/17/26 | LHP Kide Adetuyi assigned to FCL Red Sox. |
| 07/17/26 | RHP Luis Calderon assigned to FCL Red Sox. |
| 07/17/26 | SS Jake Schaffner assigned to FCL Red Sox. |
| 07/17/26 | SS Colton Coates assigned to FCL Red Sox. |
| 07/17/26 | RHP Jase Evangelista assigned to FCL Red Sox. |
| 07/17/26 | LHP Brett Lanman assigned to FCL Red Sox. |
| 07/17/26 | LHP Josh Volmerding assigned to FCL Red Sox. |
| 07/17/26 | RHP Kaleb LaFavor assigned to FCL Red Sox. |
| 07/17/26 | SS Wills Maginnis assigned to FCL Red Sox. |
| 07/17/26 | RHP Alex Kranzler assigned to FCL Red Sox. |
| 07/17/26 | OF Martin Shelar assigned to FCL Red Sox. |
| 07/17/26 | RHP Mason Lei assigned to FCL Red Sox. |
| 07/17/26 | OF Owen Hull assigned to FCL Red Sox. |
| 07/17/26 | SS Jace Mataczynski assigned to FCL Red Sox. |
| 07/17/26 | Greenville Drive activated SS Maximus Martin from the 7-day injured list. |
| 07/17/26 | LHP Tyler Davis assigned to Greenville Drive from Portland Sea Dogs. |
| 07/17/26 | LHP Michael Sansone assigned to Portland Sea Dogs from Worcester Red Sox. |
| 07/17/26 | LHP Tyler Davis assigned to Greenville Drive from Portland Sea Dogs. |
| 07/17/26 | RHP Caleb Bolden assigned to Portland Sea Dogs from Worcester Red Sox. |
| 07/17/26 | Worcester Red Sox activated RHP Tommy Kahnle. |
| 07/17/26 | RHP Caleb Bolden assigned to Portland Sea Dogs from Worcester Red Sox. |
| 07/17/26 | LHP Michael Sansone assigned to Portland Sea Dogs from Worcester Red Sox. |
| 07/17/26 | Boston Red Sox recalled LHP Alec Gamboa from Worcester Red Sox. |
| 07/17/26 | Boston Red Sox signed free agent LHP Carson Revay to a minor league contract. |
| 07/16/26 | Portland Sea Dogs placed C Johanfran Garcia on the 7-day injured list retroactive to July 16, 2026. |
| 07/14/26 | Greenville Drive sent SS Nazzan Zanetello on a rehab assignment to FCL Red Sox. |
| 07/14/26 | FCL Red Sox activated OF Fabian Bonilla from the 60-day injured list. |
| 07/14/26 | Greenville Drive sent SS Nazzan Zanetello on a rehab assignment to FCL Red Sox. |
| 07/14/26 | Worcester Red Sox released C Matt Thaiss. |
| 07/14/26 | Boston Red Sox optioned OF Nate Eaton to Worcester Red Sox. |
| 07/13/26 | Portland Sea Dogs activated RHP Anthony Eyanson from the temporarily inactive list. |
| 07/13/26 | Portland Sea Dogs activated SS Franklin Arias. |
| 07/13/26 | RHP Tommy Kahnle assigned to Worcester Red Sox. |
| 07/13/26 | Boston Red Sox signed free agent RHP Tommy Kahnle to a minor league contract. |