Red Sox Roster & Staff
Transactions
| Date | Transaction |
| 09/13/25 | Boston Red Sox signed free agent RHP John Brebbia to a minor league contract. |
| 09/12/25 | Boston Red Sox placed LHP Brennan Bernardino on the 15-day injured list retroactive to September 10, 2025. Left lat strain. |
| 09/12/25 | Boston Red Sox recalled LHP Chris Murphy from Worcester Red Sox. |
| 09/10/25 | Boston Red Sox recalled LHP Kyle Harrison from Worcester Red Sox. |
| 09/10/25 | Boston Red Sox optioned LHP Chris Murphy to Worcester Red Sox. |
| 09/09/25 | Boston Red Sox sent RHP Luis Guerrero on a rehab assignment to Worcester Red Sox. |
| 09/09/25 | Boston Red Sox placed 2B Vaughn Grissom on the 60-day injured list. Plantar fasciitis. |
| 09/09/25 | Boston Red Sox placed RHP Dustin May on the 15-day injured list retroactive to September 6, 2025. Right elbow neuritis. |
| 09/09/25 | Boston Red Sox recalled 2B Vaughn Grissom from Worcester Red Sox. |
| 09/09/25 | Boston Red Sox selected the contract of LHP Connelly Early from Worcester Red Sox. |
| 09/05/25 | Boston Red Sox placed RHP Jordan Hicks on the 15-day injured list retroactive to September 4, 2025. Right shoulder tendinitis. |
| 09/05/25 | Boston Red Sox recalled LHP Chris Murphy from Worcester Red Sox. |
| 09/03/25 | Boston Red Sox placed RF Roman Anthony on the 10-day injured list. Left oblique strain. |
| 09/03/25 | Boston Red Sox recalled 1B Nick Sogard from Worcester Red Sox. |
| 09/02/25 | Boston Red Sox sent RHP Luis Guerrero on a rehab assignment to Portland Sea Dogs. |
| 09/01/25 | Boston Red Sox transferred 3B Marcelo Mayer from the 10-day injured list to the 60-day injured list. Right wrist sprain. |
| 09/01/25 | Boston Red Sox recalled RHP Zack Kelly from Worcester Red Sox. |
| 09/01/25 | Boston Red Sox selected the contract of C Ali Sánchez from Worcester Red Sox. |