Red Sox Roster & Staff
Transactions
| Date | Transaction |
| 05/31/25 | Boston Red Sox sent 1B Romy Gonzalez on a rehab assignment to Worcester Red Sox. |
| 05/30/25 | Boston Red Sox placed RHP Liam Hendriks on the 15-day injured list retroactive to May 28, 2025. Right hip inflammation. |
| 05/30/25 | Boston Red Sox recalled RHP Nick Burdi from Worcester Red Sox. |
| 05/27/25 | Boston Red Sox sent LHP Chris Murphy on a rehab assignment to Greenville Drive. |
| 05/27/25 | Boston Red Sox activated LHP Zach Penrod from the 60-day injured list. |
| 05/27/25 | Boston Red Sox activated RHP Richard Fitts from the 15-day injured list. |
| 05/27/25 | Boston Red Sox signed free agent RHP Jorge Juan to a minor league contract. |
| 05/27/25 | Boston Red Sox optioned LHP Zach Penrod to Worcester Red Sox. |
| 05/27/25 | Boston Red Sox traded LHP Sean Newcomb to Athletics for cash. |
| 05/27/25 | Boston Red Sox optioned RHP Zack Kelly to Worcester Red Sox. |
| 05/26/25 | Boston Red Sox signed free agent RHP Allan Griman to a minor league contract. |
| 05/25/25 | Boston Red Sox recalled RHP Zack Kelly from Worcester Red Sox. |
| 05/25/25 | Boston Red Sox optioned RHP Luis Guerrero to Worcester Red Sox. |
| 05/25/25 | Boston Red Sox optioned RHP Cooper Criswell to Worcester Red Sox. |
| 05/24/25 | Boston Red Sox transferred 1B Triston Casas from the 10-day injured list to the 60-day injured list. |
| 05/24/25 | Boston Red Sox sent LHP Zach Penrod on a rehab assignment to FCL Red Sox. |
| 05/24/25 | Boston Red Sox sent LHP Zach Penrod on a rehab assignment to FCL Red Sox. |
| 05/24/25 | Boston Red Sox placed 3B Alex Bregman on the 10-day injured list. Right quad strain. |
| 05/24/25 | Boston Red Sox designated LHP Sean Newcomb for assignment. |
| 05/24/25 | Boston Red Sox selected the contract of SS Marcelo Mayer from Worcester Red Sox. |
| 05/24/25 | Boston Red Sox recalled RHP Luis Guerrero from Worcester Red Sox. |
| 05/24/25 | Boston Red Sox recalled RHP Cooper Criswell from Worcester Red Sox. |
| 05/22/25 | Boston Red Sox sent RHP Richard Fitts on a rehab assignment to Portland Sea Dogs. |
| 05/22/25 | Boston Red Sox transferred LF Masataka Yoshida from the 10-day injured list to the 60-day injured list. right shoulder labral repair. |
| 05/22/25 | Boston Red Sox reassigned 1B Ryan Noda to the minor leagues. |
| 05/22/25 | Boston Red Sox signed free agent LHP P.J. Labriola to a minor league contract. |
| 05/22/25 | Los Angeles Angels traded 1B Ryan Noda to Boston Red Sox for cash. |
| 05/22/25 | Boston Red Sox optioned 1B Ryan Noda to Worcester Red Sox. |
| 05/21/25 | Boston Red Sox signed free agent RHP Erickson Ettien to a minor league contract. |
| 05/20/25 | Boston Red Sox activated RHP Walker Buehler from the 15-day injured list. |
| 05/20/25 | Boston Red Sox optioned RHP Nick Burdi to Worcester Red Sox. |
| 05/16/25 | Boston Red Sox selected the contract of RHP Nick Burdi from Worcester Red Sox. |
| 05/15/25 | Boston Red Sox transferred RHP Kutter Crawford from the 15-day injured list to the 60-day injured list. Right patellar tendinopathy. |
| 05/15/25 | Boston Red Sox optioned RHP Cooper Criswell to Worcester Red Sox. |
| 05/14/25 | Boston Red Sox signed free agent CF Jostin Ogando to a minor league contract. |
| 05/14/25 | Boston Red Sox placed RHP Tanner Houck on the 15-day injured list retroactive to May 13, 2025. Right flexor pronator strain. |
| 05/14/25 | Boston Red Sox recalled RHP Cooper Criswell from Worcester Red Sox. |
| 05/13/25 | Boston Red Sox signed free agent RHP Ranci Castillo to a minor league contract. |
| 05/10/25 | Boston Red Sox placed 1B Romy Gonzalez on the 10-day injured list retroactive to May 8, 2025. Left quad contusion. |
| 05/10/25 | Boston Red Sox recalled 2B Nick Sogard from Worcester Red Sox. |
| 05/05/25 | Milwaukee Brewers traded RHP John Holobetz to Boston Red Sox. PTBNL from 4/7 Quinn Priester trade. |
| 05/03/25 | Boston Red Sox placed 1B Triston Casas on the 10-day injured list. Left patellar tendon rupture. |
| 05/03/25 | Boston Red Sox activated LHP Brennan Bernardino from the bereavement list. |
| 05/03/25 | Boston Red Sox selected the contract of 3B Abraham Toro from Worcester Red Sox. |
| 05/03/25 | Boston Red Sox optioned RHP Luis Guerrero to Worcester Red Sox. |
| 05/02/25 | Boston Red Sox activated C Connor Wong from the 10-day injured list. |
| 05/02/25 | Boston Red Sox placed RHP Walker Buehler on the 15-day injured list retroactive to April 29, 2025. Right shoulder bursitis. |
| 05/02/25 | Boston Red Sox recalled RHP Hunter Dobbins from Worcester Red Sox. |
| 05/02/25 | Boston Red Sox optioned C Blake Sabol to Worcester Red Sox. |