Portland Sea Dogs Roster & Staff
BOS Transactions
| Date | Transaction |
| 11/03/26 | RHP Juan García assigned to DSL Red Sox Red. |
| 11/02/26 | DSL Red Sox Blue activated RHP Albert Pena from the 60-day injured list. |
| 11/02/26 | DSL Red Sox Red activated RHP Claudio Pereira from the 60-day injured list. |
| 11/02/26 | FCL Red Sox activated LHP Cade Fisher from the 60-day injured list. |
| 11/02/26 | Greenville Drive activated LHP Zach Fogell from the 60-day injured list. |
| 11/02/26 | Greenville Drive activated RHP Matt Duffy from the 60-day injured list. |
| 11/02/26 | Greenville Drive activated 3B Freili Encarnacion from the 60-day injured list. |
| 11/02/26 | Greenville Drive activated RHP Isaac Stebens from the full-season injured list. |
| 11/02/26 | Greenville Drive activated RHP Juan Valera from the full-season injured list. |
| 11/02/26 | Greenville Drive activated RHP Calvin Bickerstaff from the 60-day injured list. |
| 11/02/26 | RHP Reidis Sena elected free agency. |
| 11/02/26 | LHP Jeremy Wu-Yelland elected free agency. |
| 11/02/26 | C Ronald Rosario elected free agency. |
| 11/02/26 | Portland Sea Dogs activated SS Marvin Alcantara. |
| 11/02/26 | LHP Erik Rivera elected free agency. |
| 11/02/26 | Salem RidgeYaks activated RHP Madinson Frias. |
| 11/02/26 | Salem RidgeYaks activated LHP Myles Patton from the full-season injured list. |
| 11/02/26 | Salem RidgeYaks activated RHP Gilbel Galvan from the 60-day injured list. |
| 11/02/26 | Salem RidgeYaks activated RHP Dalvinson Reyes from the 60-day injured list. |
| 11/02/26 | Salem RidgeYaks activated 3B Ty Hodge from the 60-day injured list. |
| 11/02/26 | RHP Kyle Keller elected free agency. |
| 11/02/26 | Worcester Red Sox activated RHP Isaac Coffey from the 60-day injured list. |
| 11/02/26 | Worcester Red Sox activated RHP Kyle Keller from the full-season injured list. |
| 11/02/26 | RHP John Brebbia elected free agency. |
| 11/02/26 | CF Allan Castro elected free agency. |
| 11/02/26 | RHP Osvaldo Berrios elected free agency. |
| 11/02/26 | RHP Sam McWilliams elected free agency. |
| 11/02/26 | C Tomás Nido elected free agency. |
| 11/02/26 | C Jason Delay elected free agency. |
| 11/02/26 | 3B Vinny Capra elected free agency. |
| 11/02/26 | RHP Hobie Harris elected free agency. |
| 11/02/26 | Worcester Red Sox activated 2B Brendan Rodgers from the full-season injured list. |
| 11/02/26 | RHP Devin Sweet elected free agency. |