Red Sox Roster & Staff
Transactions
| Date | Transaction |
| 04/10/26 | Boston Red Sox activated 2B Anthony Seigler from the 10-day injured list. |
| 04/10/26 | Boston Red Sox optioned 2B Anthony Seigler to Worcester Red Sox. |
| 04/09/26 | Boston Red Sox sent 2B Anthony Seigler on a rehab assignment to Worcester Red Sox. |
| 04/08/26 | Boston Red Sox sent LHP Patrick Sandoval on a rehab assignment to Worcester Red Sox. |
| 04/08/26 | Boston Red Sox recalled LHP Tyler Samaniego from Worcester Red Sox. |
| 04/07/26 | Boston Red Sox signed free agent C Dilan Mata to a minor league contract. |
| 04/07/26 | Boston Red Sox signed free agent RHP Maikel Vargas to a minor league contract. |
| 04/06/26 | Boston Red Sox activated RHP Garrett Whitlock from the paternity list. |
| 04/06/26 | Boston Red Sox optioned RHP Tyler Uberstine to Worcester Red Sox. |
| 04/05/26 | Boston Red Sox traded RHP Patrick Galle to St. Louis Cardinals. |
| 04/04/26 | RHP Jedixson Paez returned to Boston Red Sox from Chicago White Sox. |
| 04/03/26 | Boston Red Sox placed RHP Garrett Whitlock on the paternity list. |
| 04/03/26 | Boston Red Sox placed RHP Johan Oviedo on the 15-day injured list retroactive to March 31, 2026. Right elbow strain. |
| 04/03/26 | Boston Red Sox recalled RHP Zack Kelly from Worcester Red Sox. |
| 04/03/26 | Boston Red Sox recalled RHP Tyler Uberstine from Worcester Red Sox. |