Yahoo
Advertisement
Advertisement
Advertisement
Advertisement
Boston Red Sox
Red Sox
- 3rd AL East
- 77-65
7th
AVG (.249)
15th
R (634)
4th
ERA (3.65)
6th
WHIP (1.24)
Boston Red Sox Transactions
| Player | Date | P | Comment |
|---|---|---|---|
| 9/3/2026 | 3B | Claimed on Unconditional Release Waivers (The San Francisco Giants claimed (3B) Brett Harris off waivers from the Boston Red Sox.) To San Francisco | |
| 9/2/2026 | SP | Recalled From Minors Rehab (The Boston Red Sox recalled LHP Raymond Burgos from the minors.) | |
| 9/2/2026 | SP | Sent to Minors (The Boston Red Sox optioned RHP Jedixson Paez to the minors.) | |
| 9/1/2026 | RP | Recalled From Minors Rehab (The Boston Red Sox recalled RHP Wyatt Olds from the minors.) | |
| 9/1/2026 | RP | Placed on 15-Day IL (The Boston Red Sox placed RHP Tyron Guerrero on the 15-day injured list.) | |
| 9/1/2026 | SP | Recalled From Minors Rehab (The Boston Red Sox selected the contract of RHP Jedixson Paez from the minors.) | |
| 9/1/2026 | 3B | Designated for Assignment (The Boston Red Sox designated INF Brett Harris for assignment.) | |
| 9/1/2026 | 2B | Activated (The Boston Red Sox activated INF Isiah Kiner-Falefa from the 60-day injured list.) | |
| 9/1/2026 | SP | Recalled From Minors Rehab (The Boston Red Sox recalled LHP Eduardo Rivera from the minors.) | |
| 9/1/2026 | SP | Placed on 60-Day IL (The Boston Red Sox placed LHP Eduardo Rivera on the 60-day injured list.) | |
| 8/31/2026 | DH | Recalled From Minors Rehab (The Boston Red Sox recalled DH Mickey Gasper from the minors.) | |
| 8/31/2026 | 1B | Placed on 10-Day IL (The Boston Red Sox placed INF Willson Contreras on the 10-day injured list.) | |
| 8/30/2026 | DH | Sent to Minors (The Boston Red Sox optioned DH Mickey Gasper to the minors.) | |
| 8/30/2026 | SP | Sent to Minors (The Boston Red Sox optioned LHP Raymond Burgos to the minors.) | |
| 8/30/2026 | SS | Activated (The Boston Red Sox activated INF Trevor Story from the 60-day injured list.) | |
| 8/30/2026 | 2B | Sent to Minors (The Boston Red Sox optioned INF Anthony Seigler to the minors.) | |
| 8/30/2026 | LF | Activated (The Boston Red Sox activated OF Roman Anthony from the 60-day injured list.) | |
| 8/29/2026 | SP | Recalled From Minors Rehab (The Boston Red Sox recalled LHP Raymond Burgos from the minors as the team's 27th man for their game against the Yankees.) | |
| 8/29/2026 | RP | Activated (The Boston Red Sox activated RHP Garrett Whitlock from the 15-day injured list.) | |
| 8/29/2026 | RP | Sent to Minors (The Boston Red Sox optioned RHP Wyatt Olds to the minors.) | |
| 8/18/2026 | SP | Placed on Restricted List (The Boston Red Sox placed LHP Eduardo Rivera on the restricted list.) | |
| 8/17/2026 | SP | Sent to Minors (The Boston Red Sox optioned LHP Raymond Burgos to the minors.) | |
| 8/17/2026 | RP | Recalled From Minors Rehab (The Boston Red Sox selected the contract of RHP Wyatt Olds from the minors.) | |
| 8/16/2026 | DH | Placed on 10-Day IL (The Boston Red Sox placed DH Masataka Yoshida on the 10-day injured list.) | |
| 8/16/2026 | DH | Recalled From Minors Rehab (The Boston Red Sox recalled C Mickey Gasper from the minors.) | |
| 8/16/2026 | SP | Recalled From Minors Rehab (The Boston Red Sox recalled LHP Raymond Burgos from the minors.) | |
| 8/16/2026 | RP | Placed on 15-Day IL (The Boston Red Sox placed RHP Justin Slaten on the 15-day injured list.) | |
| 8/14/2026 | C | Claimed on Unconditional Release Waivers (The Chicago White Sox claimed C Jake Rogers from the Boston Red Sox.) To Chi White Sox | |
| 8/13/2026 | RP | Placed on 15-Day IL (The Boston Red Sox placed RHP Garrett Whitlock on the 15-day injured list.) | |
| 8/13/2026 | RP | Recalled From Minors Rehab (The Boston Red Sox recalled RHP Greg Weissert from the minors.) | |
| 8/12/2026 | RP | Recalled From Minors Rehab (The Boston Red Sox recalled LHP Alec Gamboa from the minors.) | |
| 8/12/2026 | RP | Designated for Assignment (The Boston Red Sox designated RHP Seth Martinez for assignment.) | |
| 8/12/2026 | CF | Traded (The Boston Red Sox traded OF Harold Rivas to the Baltimore Orioles.) To Baltimore | |
| 8/12/2026 | RP | Signed (The Boston Red Sox signed RHP Aaron Nixon to a minor league contract.) | |
| 8/11/2026 | C | Designated for Assignment (The Boston Red Sox designated C Jake Rogers for assignment.) | |
| 8/11/2026 | 2B | Placed on 60-Day IL (The Boston Red Sox tranaferred INF Isiah Kiner-Falefa to the 60-day injured list with left forearm inflammation.) | |
| 8/11/2026 | C | Activated (The Boston Red Sox activated C Adley Rutschman from the 10-day injured list.) | |
| 8/9/2026 | RP | Recalled From Minors Rehab (The Boston Red Sox selected the contract of RHP Seth Martinez from the minors.) | |
| 8/8/2026 | SP | Sent to Minors (The Boston Red Sox optioned LHP Raymond Burgos to the minors.) | |
| 8/7/2026 | RP | Sent to Minors (The Boston Red Sox optioned RHP Greg Weissert to the minors.) | |
| 8/7/2026 | SP | Recalled From Minors Rehab (The Boston Red Sox selected the contract of LHP Raymond Burgos from the minors.) | |
| 8/7/2026 | RP | Claimed on Unconditional Release Waivers (The Los Angeles Angels claimed RHP Ryan Watson off waivers from the Boston Red Sox.) To LA Angels | |
| 8/7/2026 | C | Declared Free Agency (C Andrew Knizner elected free agency.) | |
| 8/7/2026 | RP | Signed (The Boston Red Sox signed RHP John Brebbia to a minor-league contract.) | |
| 8/6/2026 | RP | Released (The Boston Red Sox released LHP Joe La Sorsa.) | |
| 8/4/2026 | RP | Activated (The Boston Red Sox activated LHP Erik Miller.) | |
| 8/4/2026 | DH | Sent to Minors (The Boston Red Sox optioned DH Romy Gonzalez to the minors.) | |
| 8/4/2026 | C | Activated (The Boston Red Sox activated C Jake Rogers.) | |
| 8/4/2026 | RP | Designated for Assignment (The Boston Red Sox designated RHP Ryan Watson for assignment.) | |
| 8/4/2026 | RF | Activated (The Boston Red Sox activated OF Eli White.) | |
| 8/3/2026 | C | Traded (The Baltimore Orioles traded C Jake Rogers to the Boston Red Sox.) From Baltimore | |
| 8/3/2026 | SP | Traded (The Boston Red Sox traded RHP Tyler Uberstine to the Atlanta Braves.) To Atlanta | |
| 8/3/2026 | RF | Traded (The Atlanta Braves traded OF Eli White to the Boston Red Sox.) From Atlanta | |
| 8/3/2026 | CF | Traded (The San Francisco Giants traded OF Carlos Gutierrez to the Boston Red Sox.) From San Francisco | |
| 8/3/2026 | C | Traded (The Baltimore Orioles traded C Adley Rutschman to the Boston Red Sox.) From Baltimore | |
| 8/3/2026 | CF | Traded (The Boston Red Sox traded OF Enddy Azocar to the Baltimore Orioles.) To Baltimore | |
| 8/3/2026 | SP | Traded (The Boston Red Sox traded RHP Anthony Eyanson to the Baltimore Orioles.) To Baltimore | |
| 8/3/2026 | SP | Traded (The Boston Red Sox traded RHP Kyson Witherspoon to the Baltimore Orioles.) To Baltimore | |
| 8/3/2026 | C | Traded (The Boston Red Sox traded C Carlos Narváez to the Baltimore Orioles.) To Baltimore | |
| 8/1/2026 | SP | Traded (The Boston Red Sox traded LHP Jojo Ingrassia to the Detroit Tigers.) To Detroit | |
| 7/28/2026 | 2B | Recalled From Minors Rehab (The Boston Red Sox recalled INF Nick Sogard from the minors.) | |
| 7/28/2026 | 3B | Placed on 10-Day IL (The Boston Red Sox placed INF Curtis Mead on the 10-day injured list.) | |
| 7/27/2026 | SS | Sent to Minors (The Boston Red Sox optioned INF Tsung-Che Cheng to the minors.) | |
| 7/27/2026 | 3B | Recalled From Minors Rehab (The Boston Red Sox recalled INF Curtis Mead from the minors.) | |
| 7/26/2026 | SP | Activated (The Boston Red Sox activated LHP Ranger Suarez from the 15-day injured list.) | |
| 7/26/2026 | RP | Sent to Minors (The Boston Red Sox optioned LHP Alec Gamboa to the minors.) | |
| 7/22/2026 | RP | Recalled From Minors Rehab (The Boston Red Sox recalled LHP Alec Gamboa from the minors. He will serve as the 27th man for their doubleheader against the Orioles.) | |
| 7/21/2026 | RP | Placed on 60-Day IL (The Boston Red Sox placed RHP Zack Kelly on the 60-day injured list.) | |
| 7/21/2026 | RP | Recalled From Minors Rehab (The Boston Red Sox recalled RHP Zack Kelly from the minors.) | |
| 7/18/2026 | RP | Released (The Boston Red Sox released LHP Danny Coulombe.) | |
| 7/18/2026 | RP | Sent to Minors (The Boston Red Sox returned LHP Alec Gamboa to the minors after he served as the team's 27th man in its doubleheader against the Rays.) | |
| 7/17/2026 | SP | Signed (The Boston Red Sox signed LHP Josh Volmerding.) | |
| 7/17/2026 | C | Released (The Boston Red Sox released C Matt Thaiss.) | |
| 7/17/2026 | CF | Signed (The Boston Red Sox signed draft pick OF Owen Hull.) | |
| 7/17/2026 | RP | Signed (The Boston Red Sox signed draft pick RHP Lucas Davenport.) | |
| 7/17/2026 | SS | Signed (The Boston Red Sox signed draft pick INF Jake Schaffner.) | |
| 7/17/2026 | SP | Signed (The Boston Red Sox signed draft pick LHP Kide Adetuyi.) | |
| 7/17/2026 | SP | Signed (The Boston Red Sox signed draft pick RHP Kaleb LaFavor.) | |
| 7/17/2026 | 1B | Activated (Major League Baseball reinstated Boston Red Sox INF Willson Contreras from suspension.) | |
| 7/17/2026 | SP | Signed (The Boston Red Sox signed draft pick LHP Brett Lanman.) | |
| 7/17/2026 | SS | Signed (The Boston Red Sox signed draft pick INF Jace Mataczynski.) | |
| 7/17/2026 | RF | Signed (The Boston Red Sox signed draft pick OF Martin Shelar.) | |
| 7/17/2026 | RP | Recalled From Minors Rehab (The Boston Red Sox recalled LHP Alec Gamboa from the minors. He will serve as the 27th man for their doubleheader against the Rays.) | |
| 7/15/2026 | RP | Signed (The Boston Red Sox signed RHP Tommy Kahnle to a minor league contract.) | |
| 7/14/2026 | RF | Sent to Minors (The Boston Red Sox optioned OF Nate Eaton to the minors.) | |
| 7/14/2026 | DH | Activated (The Boston Red Sox activated DH Jahmai Jones from the minors.) | |
| 7/14/2026 | DH | Traded (The Detroit Tigers traded DH Jahmai Jones to the Boston Red Sox.) From Detroit | |
| 7/13/2026 | SP | Drafted (The Boston Red Sox drafted LHP Josh Volmerding.) | |
| 7/12/2026 | SP | Drafted (The Boston Red Sox drafted LHP Kide Adetuyi.) | |
| 7/12/2026 | 2B | Activated (The Boston Red Sox activated INF Nick Sogard from the 10-day injured list.) | |
| 7/12/2026 | 2B | Sent to Minors (The Boston Red Sox optioned INF Nick Sogard to the minors.) | |
| 7/12/2026 | SP | Drafted (The Boston Red Sox drafted LHP Brett Lanman.) | |
| 7/12/2026 | RP | Drafted (The Boston Red Sox drafted RHP Lucas Davenport.) | |
| 7/12/2026 | SP | Recalled From Minors Rehab (The Boston Red Sox recalled RHP Brayan Bello from the minors.) | |
| 7/11/2026 | RP | Claimed on Unconditional Release Waivers (The Minnesota Twins claimed RHP Jack Anderson off waivers from the Boston Red Sox. ) To Minnesota | |
| 7/11/2026 | RP | Designated for Assignment (The Boston Red Sox designated LHP Danny Coulombe for assignment.) | |
| 7/11/2026 | SS | Drafted (The Boston Red Sox drafted INF Jace Mataczynski.) | |
| 7/11/2026 | SS | Drafted (The Boston Red Sox drafted INF Jake Schaffner.) | |
| 7/11/2026 | CF | Drafted (The Boston Red Sox drafted OF Owen Hull.) | |
| 7/11/2026 | 3B | Sent to Minors (The Boston Red Sox optioned INF Brett Harris to the minors.) | |
| 7/11/2026 | SP | Recalled From Minors Rehab (The Boston Red Sox recalled LHP Eduardo Rivera from the minors.) | |
| 7/9/2026 | RF | Reinstated from Bereavement/Family Medical Emergency List (Major League Baseball reinstated OF Nate Eaton from suspension. ) | |
| 7/9/2026 | 1B | Starting to Serve Suspension (The Boston Red Sox suspended INF Willson Contreras for five games.) | |
| 7/9/2026 | 3B | Recalled From Minors Rehab (The Boston Red Sox recalled INF Brett Harris from the minors.) | |
| 7/9/2026 | SP | Placed on 15-Day IL (The Boston Red Sox placed LHP Ranger Suarez on the 15-day injured list.) | |
| 7/7/2026 | RF | Starting to Serve Suspension (The MLB suspendedBoston Red Sox OF Nate Eaton for two games.) | |
| 7/6/2026 | RP | Designated for Assignment (The Boston Red Sox designated RHP Jack Anderson for assignment.) | |
| 7/6/2026 | SP | Activated (The Boston Red Sox activated LHP Patrick Sandoval from the 60-day injured list.) | |
| 7/6/2026 | RP | Sent to Minors (The Boston Red Sox optioned LHP Alec Gamboa to the minors.) | |
| 7/4/2026 | RP | Declared Free Agency (The Boston Red Sox RHP Tommy Kahnle elected free agency.) | |
| 7/2/2026 | RP | Signed (The Boston Red Sox signed RHP Sam McWilliams to a minor league contract.) | |
| 7/1/2026 | RP | Recalled From Minors Rehab (The Boston Red Sox recalled LHP Alec Gamboa from the minors.) | |
| 7/1/2026 | SP | Placed on 15-Day IL (The Boston Red Sox placed LHP Connelly Early on the 15-day injured list.) | |
| 7/1/2026 | RP | Activated (The Boston Red Sox activated LHP Jovani Morán from the 15-day injured list.) | |
| 7/1/2026 | 3B | Traded (The Athletics traded INF Brett Harris to the Boston Red Sox.) From Athletics | |
| 7/1/2026 | RP | Traded (The Boston Red Sox traded RHP Ben Hansen to the Athletics.) To Athletics | |
| 6/28/2026 | DH | Sent to Minors (The Boston Red Sox optioned C Mickey Gasper to the minors.) | |
| 6/28/2026 | DH | Activated (The Boston Red Sox activated INF Romy Gonzalez from the 60-day injured list.) | |
| 6/28/2026 | LF | Placed on 60-Day IL (The Boston Red Sox transferred OF Roman Anthony from the 10-day injured list to the 60-day injured list.) | |
| 6/26/2026 | 2B | Placed on 10-Day IL (The Boston Red Sox placed INF Marcelo Mayer on the 10-day injured list.) | |
| 6/26/2026 | SS | Recalled From Minors Rehab (The Boston Red Sox recalled INF Tsung-Che Cheng from the minors.) | |
| 6/23/2026 | C | Signed (The Boston Red Sox signed C Andrew Knizner to a minor league contract.) | |
| 6/20/2026 | 2B | Recalled From Minors Rehab (The Boston Red Sox recalled INF Anthony Seigler from the minors.) | |
| 6/20/2026 | 2B | Placed on 10-Day IL (The Boston Red Sox placed INF Isiah Kiner-Falefa on the 10-day injured list.) | |
| 6/11/2026 | SP | Released (The Boston Red Sox released RHP Chih-Jung Liu.) | |
| 6/11/2026 | SP | Released (The Boston Red Sox released LHP T.J. Sikkema.) | |
| 6/11/2026 | RP | Released (The Boston Red Sox released RHP Jorge Juan.) | |
| 6/10/2026 | RP | Sent to Minors (The Boston Red Sox optioned LHP Alec Gamboa to the minors.) | |
| 6/10/2026 | SP | Recalled From Minors Rehab (The Boston Red Sox recalled LHP Jake Bennett from the minors.) | |
| 6/9/2026 | RP | Activated (The Boston Red Sox activated RHP Garrett Whitlock from the 15-day injured list.) | |
| 6/9/2026 | 2B | Sent to Minors (The Boston Red Sox optioned INF Anthony Seigler to the minors.) | |
| 6/8/2026 | RF | Recalled From Minors Rehab (The Boston Red Sox recalled OF Nate Eaton from the minors.) | |
| 6/8/2026 | RP | Sent to Minors (The Boston Red Sox optioned LHP Joe La Sorsa to the minors.) | |
| 6/6/2026 | RP | Placed on 15-Day IL (The Boston Red Sox placed LHP Jovani Morán on the 15-day injured list.) | |
| 6/6/2026 | RP | Recalled From Minors Rehab (The Boston Red Sox recalled LHP Alec Gamboa from the minors.) | |
| 6/5/2026 | SP | Placed on 60-Day IL (The Boston Red Sox transferred LHP Garrett Crochet to the 60-day injured list.) | |
| 6/5/2026 | RP | Recalled From Minors Rehab (The Boston Red Sox selected the contract of LHP Joe La Sorsa from the minors.) | |
| 6/4/2026 | RP | Traded (The Pittsburgh Pirates traded LHP Joe La Sorsa to the Boston Red Sox.) From Pittsburgh | |
| 6/4/2026 | SP | Sent to Minors (The Boston Red Sox optioned LHP Tyler Samaniego to the minors.) | |
| 6/4/2026 | SS | Placed on 60-Day IL (The Boston Red Sox transferred INF Trevor Story from the 10-day injured list to the 60-day injured list.) | |
| 6/4/2026 | RP | Recalled From Minors Rehab (The Boston Red Sox selected the contract of RHP Tommy Kahnle from the minors.) | |
| 6/3/2026 | 2B | Recalled From Minors Rehab (The Boston Red Sox recalled INF Anthony Seigler from the minors.) | |
| 6/3/2026 | 2B | Placed on 10-Day IL (The Boston Red Sox placed INF Nick Sogard on the 10-day injured list.) | |
| 5/28/2026 | SP | Recalled From Minors Rehab (The Boston Red Sox recalled LHP Tyler Samaniego from the minors.) | |
| 5/28/2026 | RP | Placed on 15-Day IL (The Boston Red Sox placed RHP Garrett Whitlock on the 15-day injured list.) | |
| 5/24/2026 | RP | Activated (The Boston Red Sox activated LHP Danny Coulombe from the 15-day injured list.) | |
| 5/24/2026 | SP | Sent to Minors (The Boston Red Sox optioned LHP Tyler Samaniego to the minors.) | |
| 5/22/2026 | SP | Placed on 60-Day IL (The Boston Red Sox transferred RHP Kutter Crawford from the 15-day injured list to the 60-day injured list.) | |
| 5/21/2026 | RP | Recalled From Minors Rehab (The Boston Red Sox selected the contract of RHP Tayron Guerrero.) | |
| 5/21/2026 | RP | Sent to Minors (The Boston Red Sox optioned RHP Zack Kelly to the minors.) | |
| 5/16/2026 | SS | Placed on 10-Day IL (The Boston Red Sox placed INF Trevor Story on the 10-day injured list.) | |
| 5/16/2026 | 2B | Recalled From Minors Rehab (The Boston Red Sox recalled INF Nick Sogard from the minors.) | |
| 5/9/2026 | RP | Sent to Minors (The Boston Red Sox optioned RHP Jack Anderson to the minors.) | |
| 5/9/2026 | RP | Activated (The Boston Red Sox activated RHP Justin Slaten from the 15-day injured list.) | |
| 5/8/2026 | RP | Recalled From Minors Rehab (The Boston Red Sox recalled RHP Jack Anderson from the minors.) | |
| 5/7/2026 | LF | Placed on 10-Day IL (The Boston Red Sox placed OF Roman Anthony on the 10-day injured list.) | |
| 5/7/2026 | DH | Recalled From Minors Rehab (The Boston Red Sox recalled INF Mickey Gasper from the minors.) | |
| 5/7/2026 | SP | Signed (The Boston Red Sox signed LHP Raymond Burgos to a minor-league contract.) | |
| 5/6/2026 | RP | Sent to Minors (The Boston Red Sox optioned LHP Alec Gamboa to the minors.) | |
| 5/6/2026 | SP | Activated (The Boston Red Sox activated RHP Sonny Gray from the 15-day injured list.) | |
| 5/4/2026 | RP | Recalled From Minors Rehab (The Boston Red Sox selected the contract of LHP Alec Gamboa from the minors.) | |
| 5/4/2026 | RP | Placed on 15-Day IL (The Boston Red Sox placed LHP Danny Coulombe on the 15-day injured list.) | |
| 5/4/2026 | SP | Placed on 60-Day IL (The Boston Red Sox transferred LHP Patrick Sandoval to the 60-day injured list due to recover from left ulnar collateral ligament surgery.) | |
| 5/1/2026 | SP | Recalled From Minors Rehab (The Boston Red Sox recalled LHP Jake Bennett from the minors.) | |
| 4/30/2026 | 2B | Retired (Boston Red Sox INF Drew Ehrhard retired.) | |
| 4/30/2026 | RF | Sent to Minors (The Boston Red Sox optioned INF Nate Eaton to the minors.) | |
| 4/29/2026 | SP | Placed on 15-Day IL (The Boston Red Sox placed LHP Garrett Crochet on the 15-day injured list.) | |
| 4/29/2026 | RF | Recalled From Minors Rehab (The Boston Red Sox recalled INF Nate Eaton from the minors.) | |
| 4/23/2026 | SP | Sent to Minors (The Boston Red Sox optioned LHP Eduardo Rivera to the minors.) | |
| 4/23/2026 | SP | Recalled From Minors Rehab (The Boston Red Sox recalled LHP Payton Tolle from the minors.) | |
| 4/22/2026 | SP | Recalled From Minors Rehab (The Boston Red Sox selected the contract of LHP Eduardo Rivera from the minors.) | |
| 4/22/2026 | 1B | Placed on 60-Day IL (The Boston Red Sox transferred INF Triston Casas from the 10-day injured list to the 60-day injured list.) | |
| 4/22/2026 | RP | Sent to Minors (The Boston Red Sox optioned RHP Jack Anderson to the minors.) | |
| 4/21/2026 | SP | Recalled From Minors Rehab (The Boston Red Sox recalled LHP Tyler Samaniego from the minors.) | |
| 4/14/2026 | RP | Recalled From Minors Rehab (The Boston Red Sox selected the contract of RHP Jack Anderson from the minors.) | |
| 4/14/2026 | SP | Sent to Minors (The Boston Red Sox optioned LHP Tyler Samaniego to the minors.) | |
| 4/14/2026 | SP | Placed on 60-Day IL (The Boston Red Sox transferred RHP Johan Oviedo to the 60-day injured list due to a right elbow strain.) | |
| 4/10/2026 | 2B | Sent to Minors (The Boston Red Sox optioned INF Anthony Seigler to the minors.) | |
| 4/10/2026 | 2B | Activated (The Boston Red Sox activated INF Anthony Seigler from the 10-day injured list.) | |
| 4/8/2026 | SP | Recalled From Minors Rehab (The Boston Red Sox recalled LHP Tyler Samaniego from the minors.) | |
| 4/8/2026 | RP | Placed on 15-Day IL (The Boston Red Sox placed RHP Justin Slaten on the 15-day injured list.) | |
| 4/7/2026 | SP | Sent to Minors (The Boston Red Sox optioned RHP Tyler Uberstine to the minors.) | |
| 4/7/2026 | RP | Activated (The Boston Red Sox activated RHP Garrett Whitlock from the paternity list.) | |
| 4/5/2026 | RP | Traded (The Boston Red Sox traded RHP Patrick Galle to the St. Louis Cardinals.) To St. Louis | |
| 4/4/2026 | SP | Claimed on Unconditional Release Waivers (The Boston Red Sox claimed RHP Jedixson Paez off waivers.) | |
| 4/3/2026 | SP | Placed on 15-Day IL (The Boston Red Sox placed RHP Johan Oviedo on the 15-day injured list.) | |
| 4/3/2026 | RP | Recalled From Minors Rehab (The Boston Red Sox recalled RHP Zack Kelly from the minors.) | |
| 4/3/2026 | RP | Placed on Paternity Leave List (The Boston Red Sox placed RHP Garrett Whitlock on the Paternity Leave list.) | |
| 4/3/2026 | SP | Recalled From Minors Rehab (The Boston Red Sox recalled RHP Tyler Uberstine from the minors.) | |
| 4/1/2026 | SP | Other Transaction (The Toronto Blue Jays returned Rule 5 draft pick RHP Angel Bastardo to the Boston Red Sox.) From Toronto | |
| 3/28/2026 | 2B | Signed (The Boston Red Sox signed INF Brendan Rodgers to a minor league contract.) | |
| 3/25/2026 | 2B | Released (The Boston Red Sox released INF Brendan Rodgers.) | |
| 3/25/2026 | 1B | Placed on 10-Day IL (The Boston Red Sox placed INF Triston Casas on the 10-day injured list.) | |
| 3/25/2026 | SP | Placed on 15-Day IL (The Boston Red Sox placed RHP Kutter Crawford on the 15-day injured list.) | |
| 3/25/2026 | SP | Placed on 15-Day IL (The Boston Red Sox placed LHP Patrick Sandoval on the 15-day injured list.) | |
| 3/25/2026 | 2B | Placed on 10-Day IL (The Boston Red Sox placed INF Anthony Seigler on the 10-day injured list.) | |
| 3/24/2026 | RP | Released (The Boston Red Sox released RHP Vinny Nittoli.) | |
| 3/23/2026 | CF | Released (The Boston Red Sox released OF Phillip Sikes.) | |
| 3/23/2026 | SP | Sent to Minors (The Boston Red Sox optioned LHP Tyler Samaniego to the minors.) | |
| 3/23/2026 | SP | Sent to Minors (The Boston Red Sox optioned RHP Tyler Uberstine to the minors.) | |
| 3/23/2026 | RP | Sent to Minors (The Boston Red Sox sent RHP Tommy Kahnle to the minors.) | |
| 3/23/2026 | RP | Sent to Minors (The Boston Red Sox optioned RHP Zack Kelly to the minors.) | |
| 3/23/2026 | SP | Sent to Minors (The Boston Red Sox optioned LHP Payton Tolle to the minors.) | |
| 3/23/2026 | DH | Sent to Minors (The Boston Red Sox optioned INF Mickey Gasper to the minors.) | |
| 3/23/2026 | RF | Sent to Minors (The Boston Red Sox optioned INF Nate Eaton to the minors.) | |
| 3/21/2026 | 2B | Sent to Minors (The Boston Red Sox optioned INF Kristian Campbell to the minors.) | |
| 3/19/2026 | SS | Released (The Boston Red Sox released INF Fraymi De Leon.) | |
| 3/19/2026 | SP | Released (The Boston Red Sox released LHP Noah Dean.) | |
| 3/19/2026 | LF | Released (The Boston Red Sox released OF Corey Rosier.) | |
| 3/19/2026 | 3B | Released (The Boston Red Sox released INF Tyler Miller.) | |
| 3/19/2026 | 2B | Sent to Minors (The Boston Red Sox optioned INF Nick Sogard to the minors.) | |
| 3/19/2026 | RP | Non-roster Invitee (The Boston Red Sox invited RHP Tommy Kahnle to the team's spring training.) | |
| 3/19/2026 | SS | Sent to Minors (The Boston Red Sox optioned INF Tsung-Che Cheng to the minors.) | |
| 3/13/2026 | DH | Placed on 60-Day IL (The Boston Red Sox placed INF Romy Gonzalez on the 60-day injured list.) | |
| 3/12/2026 | RP | Signed (The Boston Red Sox signed LHP Danny Coulombe.) | |
| 3/9/2026 | SP | Sent to Minors (The Boston Red Sox optioned LHP Jake Bennett to the minors.) | |
| 2/10/2026 | SP | Placed on 60-Day IL (The Boston Red Sox placed RHP Tanner Houck on the 60-day injured list due to a right flexor pronator strain.) | |
| 2/9/2026 | C | Non-roster Invitee (The Boston Red Sox invited C Matt Thaiss to Major League Spring Training.) | |
| 2/9/2026 | SS | Traded (The Milwaukee Brewers traded INF Andruw Monasterio to the Boston Red Sox.) From Milwaukee | |
| 2/9/2026 | 3B | Traded (The Milwaukee Brewers traded INF Caleb Durbin to the Boston Red Sox.) From Milwaukee | |
| 2/9/2026 | 2B | Traded (The Milwaukee Brewers traded INF Anthony Seigler to the Boston Red Sox.) From Milwaukee | |
| 2/9/2026 | SP | Traded (The Boston Red Sox traded LHP Kyle Harrison to the Milwaukee Brewers.) To Milwaukee | |
| 2/9/2026 | 3B | Traded (The Boston Red Sox traded INF David Hamilton to the Milwaukee Brewers.) To Milwaukee | |
| 2/9/2026 | RP | Traded (The Boston Red Sox traded LHP Shane Drohan to the Milwaukee Brewers.) To Milwaukee | |
| 2/6/2026 | SS | Claimed on Unconditional Release Waivers (The Boston Red Sox claimed INF Tsung-Che Cheng from the Washington Nationals.) From Washington | |
| 2/5/2026 | 2B | Signed (The Boston Red Sox signed INF Brendan Rodgers to a minor league contract with an invitation to spring training.) | |
| 2/5/2026 | 2B | Signed (The Boston Red Sox signed INF Isiah Kiner-Falefa.) | |
| 2/4/2026 | DH | Claimed on Unconditional Release Waivers (The Boston Red Sox claimed INF Mickey Gasper off waivers from the Washington Nationals.) From Washington | |
| 2/3/2026 | RP | Signed (The Boston Red Sox signed RHP Kyle Keller to a minor league contract with an invitation to spring training.) | |
| 2/2/2026 | RP | Signed (The Boston Red Sox signed RHP Vinny Nittoli to the minor league contract with an invitation to spring training.) | |
| 2/1/2026 | SP | Traded (The Boston Red Sox traded RHP David Sandlin to the Chicago White Sox.) To Chi White Sox | |
| 2/1/2026 | RP | Traded (The Boston Red Sox traded RHP Jordan Hicks to the Chicago White Sox.) To Chi White Sox | |
| 2/1/2026 | SP | Traded (The Chicago White Sox traded RHP Gage Ziehl to the Boston Red Sox.) From Chi White Sox | |
| 1/21/2026 | SS | Traded (The Boston Red Sox traded INF Tristan Gray to the Minnesota Twins.) To Minnesota | |
| 1/21/2026 | C | Traded (The Minnesota Twins traded C Nate Baez to the Boston Red Sox.) From Minnesota | |
| 1/15/2026 | RP | Signed (The Boston Red Sox signed RHP Patrick Halligan to a minor league contract.) | |
| 1/14/2026 | CF | Signed (The Boston Red Sox signed OF Matt Fraizer to a minor league contract with an invitation to spring training.) | |
| 1/14/2026 | SP | Signed (The Boston Red Sox signed LHP Ranger Suárez.) | |
| 1/11/2026 | RP | Signed (The Boston Red Sox signed RHP Tayron Guerrero to a minor league contract.) | |
| 1/9/2026 | RP | Signed (The Boston Red Sox signed RHP Seth Martinez to a minor league contact with an invitation to spring training.) | |
| 1/6/2026 | RP | Non-roster Invitee (The Boston Red Sox invited RHP Osvaldo Berrios to Major League Spring training.) | |
| 1/6/2026 | SP | Signed (The Boston Red Sox invited LHP T.J. Sikkema to Major League Spring training..) | |
| 1/5/2026 | RP | Signed (The Boston Red Sox signed RHP Devin Sweet to a minor league contract.) | |
| 12/22/2025 | 1B | Traded (The St. Louis Cardinals traded INF Willson Contreras to the Boston Red Sox.) From St. Louis | |
| 12/22/2025 | SP | Traded (The Boston Red Sox traded RHP Yhoiker Fajardo to the St. Louis Cardinals.) To St. Louis | |
| 12/22/2025 | SP | Traded (The Boston Red Sox traded RHP Hunter Dobbins to the St. Louis Cardinals.) To St. Louis | |
| 12/22/2025 | SP | Traded (The Boston Red Sox traded RHP Blake Aita to the St. Louis Cardinals.) To St. Louis | |
| 12/19/2025 | 1B | Declared Free Agency (INF Abraham Toro elected free agency.) | |
| 12/18/2025 | RP | Signed (The Boston Red Sox signed LHP Alec Gamboa to a minor league contract.) | |
| 12/16/2025 | SP | Traded (The Washington Nationals traded LHP Jake Bennett to the Boston Red Sox.) From Washington | |
| 12/16/2025 | SP | Traded (The Boston Red Sox traded RHP Luis Perales to the Washington Nationals.) To Washington | |
| 12/11/2025 | C | Drafted Via Rule 5 (The Boston Red Sox selected C Raudelis Martinez in the Rule 5 Draft. ) From Tampa Bay | |
| 12/11/2025 | RP | Drafted Via Rule 5 (The Boston Red Sox selected LHP Caden Vire in the Rule 5 Draft.) | |
| 12/11/2025 | 3B | Drafted Via Rule 5 (The Boston Red Sox selected OF Matt Lloyd in the Rule 5 Draft.) From St. Louis | |
| 12/10/2025 | RP | Traded (The Athletics traded RHP Ryan Watson to the Boston Red Sox.) From Athletics | |
| 12/10/2025 | 2B | Traded (The Boston Red Sox traded INF Justin Riemer to the Athletics.) To Athletics | |
| 12/10/2025 | RP | Drafted Via Rule 5 (The Texas Rangers selected RHP Jonathan Brand in the Rule 5 Draft.) To Texas | |
| 12/10/2025 | SP | Drafted Via Rule 5 (The Chicago White Sox selected RHP Jedixson Paez in the Rule 5 Draft.) To Chi White Sox | |
| 12/9/2025 | CF | Traded (The Los Angeles Angels traded OF Isaiah Jackson to the Boston Red Sox.) From LA Angels | |
| 12/9/2025 | CF | Sent to Minors (The Boston Red Sox sent OF Isaiah Jackson to the minors.The Boston Red Sox sent OF Isaiah Jackson to the minors.) | |
| 12/9/2025 | 2B | Traded (The Boston Red Sox traded INF Vaughn Grissom to the Los Angeles Angels.) To LA Angels | |
| 12/5/2025 | RP | Claimed on Unconditional Release Waivers (The New York Mets claimed RHP Cooper Criswell off the Boston Red Sox.) To NY Mets | |
| 12/4/2025 | SP | Traded (The Pittsburgh Pirates traded RHP Johan Oviedo to the Boston Red Sox.) From Pittsburgh | |
| 12/4/2025 | RF | Traded (The Boston Red Sox traded OF Jhostynxon Garcia to the Pittsburgh Pirates.) To Pittsburgh | |
| 12/4/2025 | C | Traded (The Pittsburgh Pirates traded C Adonys Guzman to the Boston Red Sox.) From Pittsburgh | |
| 12/4/2025 | RP | Designated for Assignment (The Boston Red Sox designated RHP Cooper Criswell for assignment.) | |
| 12/4/2025 | SP | Traded (The Boston Red Sox traded RHP Jesus Travieso to the Pittsburgh Pirates.) To Pittsburgh | |
| 12/4/2025 | SP | Traded (The Pittsburgh Pirates traded LHP Tyler Samaniego to the Boston Red Sox.) From Pittsburgh | |
| 11/26/2025 | 3B | Signed (The Boston Red Sox signed INF Vinny Capra to a minor league contract.) | |
| 11/25/2025 | SP | Traded (The Boston Red Sox traded RHP Richard Fitts to the St. Louis Cardinals.) To St. Louis | |
| 11/25/2025 | SP | Traded (The Boston Red Sox traded LHP Brandon Clarke to the St. Louis Cardinals.) To St. Louis | |
| 11/25/2025 | SP | Traded (The St. Louis Cardinals traded RHP Sonny Gray to the Boston Red Sox.) From St. Louis | |
| 11/21/2025 | RP | Released (The Boston Red Sox released RHP Josh Winckowski.) | |
| 11/21/2025 | 1B | Released (The Boston Red Sox released INF Nathaniel Lowe.) | |
| 11/19/2025 | CF | Traded (The Colorado Rockies traded OF Braiden Ward to the Boston Red Sox.) From Colorado | |
| 11/19/2025 | RP | Recalled From Minors Rehab (The Boston Red Sox selected the contract LHP Shane Drohan from the minors.) | |
| 11/19/2025 | SP | Recalled From Minors Rehab (The Boston Red Sox selected the contract of RHP David Sandlin from the minors.) | |
| 11/19/2025 | RP | Designated for Assignment (The Boston Red Sox designated RHP Josh Winckowski for assignment.) | |
| 11/19/2025 | C | Traded (The Chicago White Sox traded C Ronny Hernandez to the Boston Red Sox.) From Chi White Sox | |
| 11/19/2025 | SP | Recalled From Minors Rehab (The Boston Red Sox selected the contract of RHP Tyler Uberstine from the minors.) | |
| 11/19/2025 | C | Traded (Thge Seattle Mariners traded C Luke Heyman to the Boston Red Sox.) | |
| 11/19/2025 | RP | Traded (The Boston Red Sox traded RHP Alex Hoppe to the Seattle Mariners.) To Seattle | |
| 11/19/2025 | RP | Traded (The Boston Red Sox traded LHP Brennan Bernardino to the Colorado Rockies.) To Colorado | |
| 11/19/2025 | RP | Traded (The Boston Red Sox traded LHP Chris Murphy to the Chicago White Sox.) To Chi White Sox | |
| 11/18/2025 | 1B | Designated for Assignment (The Boston Red Sox designated INF Nathaniel Lowe for assignment.) | |
| 11/18/2025 | RP | Traded (The Boston Red Sox traded RHP Luis Guerrero to the Tampa Bay Rays.) To Tampa Bay | |
| 11/18/2025 | SS | Traded (The Tampa Bay Rays traded INF Tristan Gray to the Boston Red Sox.) From Tampa Bay | |
| 11/13/2025 | RP | Sent to Minors (The Boston Red Sox sent RHP Luis Guerrero outright to the minors.) | |
| 11/6/2025 | 2B | Activated (The Boston Red Sox activated INF Marcelo Mayer from the 60-day injured list.) | |
| 11/6/2025 | SP | Activated (The Boston Red Sox activated RHP Hunter Dobbins from the 60-day injured list.) | |
| 11/6/2025 | 2B | Activated (The Boston Red Sox activated INF Vaughn Grissom from the 60-day injured list.) | |
| 11/6/2025 | SP | Activated (The Boston Red Sox activated LHP Patrick Sandoval from the 60-day injured list.) | |
| 11/6/2025 | SP | Activated (The Boston Red Sox activated RHP Kutter Crawford from the 60-day injured list.) | |
| 11/6/2025 | 1B | Activated (The Boston Red Sox activated INF Triston Casas from the 60-day injured list.) | |
| 11/6/2025 | SP | Activated (The Boston Red Sox activated RHP Tanner Houck from the 60-day injured list.) | |
| 11/6/2025 | RP | Designated for Assignment (The Boston Red Sox designated RHP Luis Guerrero for assignment.) | |
| 11/6/2025 | RP | Activated (The Boston Red Sox activated RHP Luis Guerrero from the 60-day injured list.) | |
| 11/6/2025 | RP | Activated (The Boston Red Sox activated RHP Josh Winckowski from the 60-day injured list.) | |
| 11/4/2025 | RP | Declared Free Agency (Boston Red Sox RHP Liam Hendriks declared free agency.) | |
| 11/4/2025 | SP | Declared Free Agency (RHP Lucas Giolito elected free agency.) | |
| 11/3/2025 | RP | Declared Free Agency (RHP John Brebbia elected free agency.) | |
| 11/3/2025 | SP | Signed (The Boston Red Sox signed LHP Eduardo Rivera to a minor league contract.) | |
| 11/3/2025 | 3B | Declared Free Agency (INF Alex Bregman elected free agency.) |
