Red Sox Roster & Staff
Transactions
| Date | Transaction |
| 07/21/26 | Boston Red Sox placed RHP Zack Kelly on the 60-day injured list. Right elbow inflammation. |
| 07/21/26 | Boston Red Sox recalled RHP Zack Kelly from Worcester Red Sox. |
| 07/18/26 | Boston Red Sox released LHP Danny Coulombe. |
| 07/18/26 | Boston Red Sox optioned LHP Alec Gamboa to Worcester Red Sox. |
| 07/17/26 | Boston Red Sox signed OF Owen Hull. |
| 07/17/26 | Boston Red Sox activated OF Jahmai Jones. |
| 07/17/26 | Boston Red Sox activated OF Jahmai Jones. |
| 07/17/26 | Boston Red Sox signed LHP Kide Adetuyi. |
| 07/17/26 | Boston Red Sox signed SS Wills Maginnis. |
| 07/17/26 | Boston Red Sox signed RHP Mason Lei. |
| 07/17/26 | Boston Red Sox signed RHP Kaleb LaFavor. |
| 07/17/26 | Boston Red Sox activated 1B Willson Contreras. |
| 07/17/26 | Boston Red Sox signed LHP Josh Volmerding. |
| 07/17/26 | Boston Red Sox signed RHP Luis Calderon. |
| 07/17/26 | Boston Red Sox signed SS Jace Mataczynski. |
| 07/17/26 | Boston Red Sox signed RHP Alex Kranzler. |
| 07/17/26 | Boston Red Sox signed RHP Jase Evangelista. |
| 07/17/26 | Boston Red Sox signed SS Jake Schaffner. |
| 07/17/26 | Boston Red Sox signed SS Jacob Webster. |
| 07/17/26 | Boston Red Sox signed OF Martin Shelar. |
| 07/17/26 | Boston Red Sox signed RHP Lucas Davenport. |
| 07/17/26 | Boston Red Sox signed SS Colton Coates. |
| 07/17/26 | Boston Red Sox signed free agent LHP Carson Revay to a minor league contract. |
| 07/17/26 | Boston Red Sox signed LHP Brett Lanman. |
| 07/17/26 | Boston Red Sox recalled LHP Alec Gamboa from Worcester Red Sox. |
| 07/14/26 | OF Jahmai Jones roster status changed by Boston Red Sox. |
| 07/14/26 | Detroit Tigers traded OF Jahmai Jones to Boston Red Sox for Player To Be Named Later. |
| 07/14/26 | Boston Red Sox optioned OF Nate Eaton to Worcester Red Sox. |
| 07/13/26 | Boston Red Sox signed free agent RHP Tommy Kahnle to a minor league contract. |
| 07/12/26 | Boston Red Sox designated LHP Danny Coulombe for assignment. |
| 07/12/26 | Boston Red Sox activated 3B Nick Sogard from the 10-day injured list. |
| 07/12/26 | Boston Red Sox recalled RHP Brayan Bello from Worcester Red Sox. |
| 07/12/26 | Boston Red Sox optioned 3B Nick Sogard to Worcester Red Sox. |
| 07/11/26 | Boston Red Sox optioned 3B Brett Harris to Worcester Red Sox. |
| 07/11/26 | Boston Red Sox recalled LHP Eduardo Rivera from Worcester Red Sox. |
| 07/11/26 | Minnesota Twins claimed RHP Jack Anderson off waivers from Boston Red Sox. |
| 07/09/26 | Boston Red Sox placed LHP Ranger Suarez on the 15-day injured list retroactive to July 6, 2026. Left groin strain. |
| 07/09/26 | Boston Red Sox activated OF Nate Eaton. |
| 07/09/26 | 1B Willson Contreras suspended. |
| 07/09/26 | Boston Red Sox recalled 3B Brett Harris from Worcester Red Sox. |
| 07/07/26 | Boston Red Sox sent 3B Nick Sogard on a rehab assignment to Worcester Red Sox. |
| 07/07/26 | Boston Red Sox sent 3B Nick Sogard on a rehab assignment to Worcester Red Sox. |
| 07/07/26 | OF Nate Eaton roster status changed by Boston Red Sox. |
| 07/06/26 | Boston Red Sox activated LHP Patrick Sandoval from the 60-day injured list. |
| 07/06/26 | Boston Red Sox designated RHP Jack Anderson for assignment. |
| 07/06/26 | Boston Red Sox optioned LHP Alec Gamboa to Worcester Red Sox. |
| 07/04/26 | Boston Red Sox sent LHP Patrick Sandoval on a rehab assignment to Portland Sea Dogs. |
| 07/03/26 | Boston Red Sox sent RHP Tommy Kahnle outright to Worcester Red Sox. |
| 07/02/26 | Boston Red Sox signed free agent RHP Sam McWilliams to a minor league contract. |
| 07/02/26 | Boston Red Sox sent 3B Nick Sogard on a rehab assignment to Portland Sea Dogs. |
| 07/02/26 | Boston Red Sox sent 3B Nick Sogard on a rehab assignment to Portland Sea Dogs. |
| 07/01/26 | Boston Red Sox placed LHP Connelly Early on the 15-day injured list. Left elbow inflammation. |
| 07/01/26 | Boston Red Sox activated LHP Jovani Morán from the 15-day injured list. |
| 07/01/26 | Boston Red Sox designated RHP Tommy Kahnle for assignment. |
| 07/01/26 | Athletics traded 3B Brett Harris to Boston Red Sox for RHP Ben Hansen. |
| 07/01/26 | Boston Red Sox recalled LHP Alec Gamboa from Worcester Red Sox. |
| 07/01/26 | Athletics traded 3B Brett Harris to Boston Red Sox for RHP Ben Hansen. |