Red Sox Roster & Staff
Transactions
| Date | Transaction |
| 12/05/25 | New York Mets claimed RHP Cooper Criswell off waivers from Boston Red Sox. |
| 12/04/25 | Boston Red Sox designated RHP Cooper Criswell for assignment. |
| 12/04/25 | Pittsburgh Pirates traded RHP Johan Oviedo, LHP Tyler Samaniego and C Adonys Guzman to Boston Red Sox for CF Jhostynxon Garcia and RHP Jesus Travieso. |
| 12/04/25 | Pittsburgh Pirates traded RHP Johan Oviedo, LHP Tyler Samaniego and C Adonys Guzman to Boston Red Sox for CF Jhostynxon Garcia and RHP Jesus Travieso. |
| 12/04/25 | Pittsburgh Pirates traded RHP Johan Oviedo, LHP Tyler Samaniego and C Adonys Guzman to Boston Red Sox for CF Jhostynxon Garcia and RHP Jesus Travieso. |
| 12/04/25 | Pittsburgh Pirates traded RHP Johan Oviedo, LHP Tyler Samaniego and C Adonys Guzman to Boston Red Sox for CF Jhostynxon Garcia and RHP Jesus Travieso. |
| 12/04/25 | Pittsburgh Pirates traded RHP Johan Oviedo, LHP Tyler Samaniego and C Adonys Guzman to Boston Red Sox for CF Jhostynxon Garcia and RHP Jesus Travieso. |