Portland Sea Dogs Roster & Staff
BOS Transactions
| Date | Transaction |
| 01/12/26 | RHP Patrick Halligan assigned to Worcester Red Sox. |
| 01/12/26 | Boston Red Sox signed free agent RHP Patrick Halligan to a minor league contract. |
| 01/09/26 | RHP Tayron Guerrero assigned to Worcester Red Sox. |
| 01/09/26 | Boston Red Sox signed free agent RHP Tayron Guerrero to a minor league contract. |
| 01/06/26 | LHP T.J. Sikkema assigned to Worcester Red Sox. |
| 01/06/26 | Boston Red Sox signed free agent LHP T.J. Sikkema to a minor league contract and invited him to spring training. |