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BOS · 2025 transactions
Data through 2026-10-03
| Date | Player | Type | Detail |
|---|---|---|---|
| Dec 31 | Matt Fraizer | Signed as Free Agent | Boston Red Sox signed free agent CF Matt Fraizer to a minor league contract. |
| Dec 30 | — | Number Change | 3B Marcelo Mayer changed number to 11. |
| Dec 30 | Nate Eaton | Number Change | 3B Nate Eaton changed number to 18. |
| Dec 22 | Willson Contreras | Status Change | Boston Red Sox activated 1B Willson Contreras. |
| Dec 22 | Willson Contreras | Trade | Boston Red Sox traded RHP Hunter Dobbins, RHP Yhoiker Fajardo and RHP Blake Aita to St. Louis Cardinals for 1B Willson Contreras. |
| Dec 18 | Alec Gamboa | Status Change | LHP Alec Gamboa roster status changed by Boston Red Sox. |
| Dec 18 | Devin Sweet | Status Change | RHP Devin Sweet roster status changed by Boston Red Sox. |
| Dec 18 | Devin Sweet | Signed as Free Agent | Boston Red Sox signed free agent RHP Devin Sweet to a minor league contract. |
| Dec 18 | Alec Gamboa | Signed as Free Agent | Boston Red Sox signed free agent LHP Alec Gamboa to a minor league contract. |
| Dec 15 | Luis Perales | Trade | Boston Red Sox traded RHP Luis Perales to Washington Nationals for LHP Jake Bennett. |
| Dec 13 | Albert Pena | Signed as Free Agent | Boston Red Sox signed free agent RHP Albert Pena to a minor league contract. |
| Dec 13 | Anthony Herrera | Signed as Free Agent | Boston Red Sox signed free agent RHP Anthony Herrera to a minor league contract. |
| Dec 10 | Ryan Watson | Trade | Athletics traded RHP Ryan Watson to Boston Red Sox for 2B Justin Riemer and cash. |
| Dec 10 | Raudelis Martinez | Rule 5 Draft Minors | Boston Red Sox purchased contract of C Raudelis Martinez in the Rule 5 Draft, AAA Phase. |
| Dec 10 | Matt Lloyd | Rule 5 Draft Minors | Boston Red Sox purchased contract of 3B Matt Lloyd in the Rule 5 Draft, AAA Phase. |
| Dec 10 | Caden Vire | Rule 5 Draft Minors | Boston Red Sox purchased contract of LHP Caden Vire in the Rule 5 Draft, AAA Phase. |
| Dec 10 | Jonathan Brand | Rule 5 Draft Minors | Texas Rangers purchased contract of RHP Jonathan Brand in the Rule 5 Draft, AAA Phase. |
| Dec 10 | Alvaro Mejias | Rule 5 Draft Minors | Tampa Bay Rays purchased contract of RHP Alvaro Mejias in the Rule 5 Draft, AAA Phase. |
| Dec 10 | Eybersson Polanco | Rule 5 Draft Minors | Los Angeles Angels purchased contract of RHP Eybersson Polanco in the Rule 5 Draft, AAA Phase. |
| Dec 10 | Jedixson Paez | Rule 5 Selection | Chicago White Sox purchased contract of RHP Jedixson Paez in the Rule 5 Draft. |
| Dec 9 | Vaughn Grissom | Trade | Boston Red Sox traded 2B Vaughn Grissom to Los Angeles Angels for OF Isaiah Jackson. |
| Dec 5 | Cooper Criswell | Claimed Off Waivers | New York Mets claimed RHP Cooper Criswell off waivers from Boston Red Sox. |
| Dec 4 | Cooper Criswell | Designated for Assignment | Boston Red Sox designated RHP Cooper Criswell for assignment. |
| Dec 4 | Jhostynxon Garcia | Trade | Pittsburgh Pirates traded RHP Johan Oviedo, LHP Tyler Samaniego and C Adonys Guzman to Boston Red Sox for CF Jhostynxon Garcia and RHP Jesus Travieso. |
| Nov 26 | Vinny Capra | Signed as Free Agent | Boston Red Sox signed free agent 3B Vinny Capra to a minor league contract. |
| Nov 25 | Richard Fitts | Trade | St. Louis Cardinals traded RHP Sonny Gray and cash to Boston Red Sox for RHP Richard Fitts, LHP Brandon Clarke and Player To Be Named Later. |
| Nov 21 | Josh Winckowski | Declared Free Agency | RHP Josh Winckowski elected free agency. |
| Nov 21 | Nathaniel Lowe | Declared Free Agency | 1B Nathaniel Lowe elected free agency. |
| Nov 18 | Brennan Bernardino | Trade | Boston Red Sox traded LHP Brennan Bernardino to Colorado Rockies for CF Braiden Ward. |
| Nov 18 | Tyler Uberstine | Selected | Boston Red Sox selected the contract of RHP Tyler Uberstine from Worcester Red Sox. |
| Nov 18 | David Sandlin | Selected | Boston Red Sox selected the contract of RHP David Sandlin from Worcester Red Sox. |
| Nov 18 | Shane Drohan | Selected | Boston Red Sox selected the contract of LHP Shane Drohan from Worcester Red Sox. |
| Nov 18 | Josh Winckowski | Designated for Assignment | Boston Red Sox designated RHP Josh Winckowski for assignment. |
| Nov 18 | Chris Murphy | Trade | Boston Red Sox traded LHP Chris Murphy to Chicago White Sox for C Ronny Hernandez. |
| Nov 18 | Alex Hoppe | Trade | Boston Red Sox traded RHP Alex Hoppe to Seattle Mariners for C Luke Heyman. |
| Nov 18 | Tristan Gray | Trade | Tampa Bay Rays traded 3B Tristan Gray to Boston Red Sox for RHP Luis Guerrero. |
| Nov 18 | Nathaniel Lowe | Designated for Assignment | Boston Red Sox designated 1B Nathaniel Lowe for assignment. |
| Nov 17 | Osvaldo Berrios | Signed as Free Agent | Boston Red Sox signed free agent RHP Osvaldo Berrios to a minor league contract. |
| Nov 13 | Luis Guerrero | Outrighted | Boston Red Sox sent RHP Luis Guerrero outright to Worcester Red Sox. |
| Nov 6 | Josh Winckowski | Status Change | Boston Red Sox activated RHP Josh Winckowski from the 60-day injured list. |
| Nov 6 | Patrick Sandoval | Status Change | Boston Red Sox activated LHP Patrick Sandoval from the 60-day injured list. |
| Nov 6 | Vaughn Grissom | Status Change | Boston Red Sox activated 2B Vaughn Grissom from the 60-day injured list. |
| Nov 6 | Marcelo Mayer | Status Change | Boston Red Sox activated 3B Marcelo Mayer from the 60-day injured list. |
| Nov 6 | Tanner Houck | Status Change | Boston Red Sox activated RHP Tanner Houck from the 60-day injured list. |
| Nov 6 | Hunter Dobbins | Status Change | Boston Red Sox activated RHP Hunter Dobbins from the 60-day injured list. |
| Nov 6 | Kutter Crawford | Status Change | Boston Red Sox activated RHP Kutter Crawford from the 60-day injured list. |
| Nov 6 | Triston Casas | Status Change | Boston Red Sox activated 1B Triston Casas from the 60-day injured list. |
| Nov 6 | Luis Guerrero | Designated for Assignment | Boston Red Sox designated RHP Luis Guerrero for assignment. |
| Nov 6 | Luis Guerrero | Status Change | Boston Red Sox activated RHP Luis Guerrero. |
| Nov 4 | Liam Hendriks | Declared Free Agency | RHP Liam Hendriks elected free agency. |
| Nov 4 | Lucas Giolito | Declared Free Agency | RHP Lucas Giolito elected free agency. |
| Nov 4 | Alex Bregman | Declared Free Agency | 3B Alex Bregman elected free agency. |
| Nov 2 | Justin Wilson | Declared Free Agency | LHP Justin Wilson elected free agency. |
| Nov 2 | Rob Refsnyder | Declared Free Agency | RF Rob Refsnyder elected free agency. |
| Nov 2 | Dustin May | Declared Free Agency | RHP Dustin May elected free agency. |
| Nov 2 | Steven Matz | Declared Free Agency | LHP Steven Matz elected free agency. |
| Oct 27 | Jason Delay | Signed as Free Agent | Boston Red Sox signed free agent C Jason Delay to a minor league contract. |
| Oct 16 | José De León | Outrighted | Boston Red Sox sent RHP José De León outright to Worcester Red Sox. |
| Oct 16 | Isaiah Campbell | Outrighted | Boston Red Sox sent RHP Isaiah Campbell outright to Worcester Red Sox. |
| Oct 10 | Cristopher Silvestre | Signed as Free Agent | Boston Red Sox signed free agent LHP Cristopher Silvestre to a minor league contract. |
| Oct 10 | Hicter Ruiz | Signed as Free Agent | Boston Red Sox signed free agent RHP Hicter Ruiz to a minor league contract. |
| Oct 10 | Sebastian Rondon | Signed as Free Agent | Boston Red Sox signed free agent RHP Sebastian Rondon to a minor league contract. |
| Oct 10 | Steven Garcia | Signed as Free Agent | Boston Red Sox signed free agent RHP Steven Garcia to a minor league contract. |
| Oct 3 | Chris Murphy | Recalled | Boston Red Sox recalled LHP Chris Murphy from Worcester Red Sox. |
| Oct 3 | Isaiah Campbell | Status Change | Boston Red Sox activated RHP Isaiah Campbell. |
| Oct 3 | Richard Fitts | Status Change | Boston Red Sox activated RHP Richard Fitts. |
| Oct 3 | Luis Perales | Status Change | Boston Red Sox activated RHP Luis Perales. |
| Oct 3 | Brennan Bernardino | Status Change | Boston Red Sox activated LHP Brennan Bernardino. |
| Oct 3 | Kristian Campbell | Status Change | Boston Red Sox activated 2B Kristian Campbell. |
| Oct 3 | Jovani Morán | Status Change | Boston Red Sox activated LHP Jovani Morán. |
| Oct 3 | José De León | Status Change | Boston Red Sox activated RHP José De León. |
| Oct 3 | Cooper Criswell | Status Change | Boston Red Sox activated RHP Cooper Criswell. |
| Oct 3 | Jhostynxon Garcia | Status Change | Boston Red Sox activated CF Jhostynxon Garcia. |
| Oct 3 | Lucas Giolito | Status Change | Boston Red Sox activated RHP Lucas Giolito. |
| Oct 3 | Jordan Hicks | Status Change | Boston Red Sox activated RHP Jordan Hicks. |
| Oct 3 | Dustin May | Status Change | Boston Red Sox activated RHP Dustin May. |
| Oct 3 | Roman Anthony | Status Change | Boston Red Sox activated RF Roman Anthony. |
| Sep 30 | José De León | Status Change | RHP José De León roster status changed by Boston Red Sox. |
| Sep 30 | Jhostynxon Garcia | Status Change | CF Jhostynxon Garcia roster status changed by Boston Red Sox. |
| Sep 30 | Kristian Campbell | Status Change | 2B Kristian Campbell roster status changed by Boston Red Sox. |
| Sep 30 | Nate Eaton | Status Change | 3B Nate Eaton roster status changed by Boston Red Sox. |
| Sep 30 | Roman Anthony | Status Change | RF Roman Anthony roster status changed by Boston Red Sox. |
| Sep 30 | Luis Perales | Status Change | RHP Luis Perales roster status changed by Boston Red Sox. |
| Sep 30 | Jovani Morán | Status Change | LHP Jovani Morán roster status changed by Boston Red Sox. |
| Sep 30 | Dustin May | Status Change | RHP Dustin May roster status changed by Boston Red Sox. |
| Sep 30 | Jordan Hicks | Status Change | RHP Jordan Hicks roster status changed by Boston Red Sox. |
| Sep 30 | Lucas Giolito | Status Change | RHP Lucas Giolito roster status changed by Boston Red Sox. |
| Sep 30 | Richard Fitts | Status Change | RHP Richard Fitts roster status changed by Boston Red Sox. |
| Sep 30 | Cooper Criswell | Status Change | RHP Cooper Criswell roster status changed by Boston Red Sox. |
| Sep 30 | Isaiah Campbell | Status Change | RHP Isaiah Campbell roster status changed by Boston Red Sox. |
| Sep 30 | Brennan Bernardino | Status Change | LHP Brennan Bernardino roster status changed by Boston Red Sox. |
| Sep 29 | Kristian Campbell | Recalled | Boston Red Sox recalled 2B Kristian Campbell from Worcester Red Sox. |
| Sep 29 | Luis Perales | Recalled | Boston Red Sox recalled RHP Luis Perales from Worcester Red Sox. |
| Sep 29 | Jhostynxon Garcia | Recalled | Boston Red Sox recalled CF Jhostynxon Garcia from Worcester Red Sox. |
| Sep 29 | Cooper Criswell | Recalled | Boston Red Sox recalled RHP Cooper Criswell from Worcester Red Sox. |
| Sep 29 | Jovani Morán | Recalled | Boston Red Sox recalled LHP Jovani Morán from Worcester Red Sox. |
| Sep 29 | Isaiah Campbell | Recalled | Boston Red Sox recalled RHP Isaiah Campbell from Worcester Red Sox. |
| Sep 29 | Dustin May | Status Change | Boston Red Sox activated RHP Dustin May from the 15-day injured list. |
| Sep 29 | Jordan Hicks | Status Change | Boston Red Sox activated RHP Jordan Hicks from the 15-day injured list. |
| Sep 29 | Richard Fitts | Status Change | Boston Red Sox activated RHP Richard Fitts from the 15-day injured list. |
| Sep 29 | Brennan Bernardino | Status Change | Boston Red Sox activated LHP Brennan Bernardino from the 15-day injured list. |
| Sep 29 | Roman Anthony | Status Change | Boston Red Sox activated RF Roman Anthony from the 10-day injured list. |
| Sep 28 | José De León | Status Change | Boston Red Sox activated RHP José De León. |
| Sep 28 | Chris Murphy | Optioned | Boston Red Sox optioned LHP Chris Murphy to Worcester Red Sox. |
| Sep 28 | José De León | Selected | Boston Red Sox selected the contract of RHP José De León from Worcester Red Sox. |
| Sep 23 | Ali Sánchez | Outrighted | Boston Red Sox sent C Ali Sánchez outright to Worcester Red Sox. |
| Sep 21 | Ali Sánchez | Designated for Assignment | Boston Red Sox designated C Ali Sánchez for assignment. |
| Sep 21 | Wilyer Abreu | Status Change | Boston Red Sox activated RF Wilyer Abreu from the 10-day injured list. |
| Sep 13 | John Brebbia | Signed as Free Agent | Boston Red Sox signed free agent RHP John Brebbia to a minor league contract. |
| Sep 12 | Brennan Bernardino | Status Change | Boston Red Sox placed LHP Brennan Bernardino on the 15-day injured list retroactive to September 10, 2025. Left lat strain. |
| Sep 12 | Chris Murphy | Recalled | Boston Red Sox recalled LHP Chris Murphy from Worcester Red Sox. |
| Sep 10 | Kyle Harrison | Recalled | Boston Red Sox recalled LHP Kyle Harrison from Worcester Red Sox. |
| Sep 10 | Chris Murphy | Optioned | Boston Red Sox optioned LHP Chris Murphy to Worcester Red Sox. |
| Sep 9 | Vaughn Grissom | Status Change | Boston Red Sox placed 2B Vaughn Grissom on the 60-day injured list. Plantar fasciitis. |
| Sep 9 | Luis Guerrero | Assigned | Boston Red Sox sent RHP Luis Guerrero on a rehab assignment to Worcester Red Sox. |
| Sep 9 | Vaughn Grissom | Recalled | Boston Red Sox recalled 2B Vaughn Grissom from Worcester Red Sox. |
| Sep 9 | Dustin May | Status Change | Boston Red Sox placed RHP Dustin May on the 15-day injured list retroactive to September 6, 2025. Right elbow neuritis. |
| Sep 9 | Connelly Early | Selected | Boston Red Sox selected the contract of LHP Connelly Early from Worcester Red Sox. |
| Sep 5 | Chris Murphy | Recalled | Boston Red Sox recalled LHP Chris Murphy from Worcester Red Sox. |
| Sep 5 | Jordan Hicks | Status Change | Boston Red Sox placed RHP Jordan Hicks on the 15-day injured list retroactive to September 4, 2025. Right shoulder tendinitis. |
| Sep 3 | Nick Sogard | Recalled | Boston Red Sox recalled 1B Nick Sogard from Worcester Red Sox. |
| Sep 3 | Roman Anthony | Status Change | Boston Red Sox placed RF Roman Anthony on the 10-day injured list. Left oblique strain. |
| Sep 2 | Luis Guerrero | Assigned | Boston Red Sox sent RHP Luis Guerrero on a rehab assignment to Portland Sea Dogs. |
| Sep 1 | Zack Kelly | Recalled | Boston Red Sox recalled RHP Zack Kelly from Worcester Red Sox. |
| Sep 1 | Ali Sánchez | Selected | Boston Red Sox selected the contract of C Ali Sánchez from Worcester Red Sox. |
| Sep 1 | Marcelo Mayer | Status Change | Boston Red Sox transferred 3B Marcelo Mayer from the 10-day injured list to the 60-day injured list. Right wrist sprain. |
| Aug 31 | Ali Sánchez | Trade | New York Mets traded C Ali Sánchez to Boston Red Sox. |
| Aug 30 | Nathaniel Lowe | Status Change | Boston Red Sox activated 1B Nathaniel Lowe from the paternity list. |
| Aug 30 | Nick Sogard | Optioned | Boston Red Sox optioned 1B Nick Sogard to Worcester Red Sox. |
| Aug 29 | Walker Buehler | Released | Boston Red Sox released RHP Walker Buehler. |
| Aug 29 | Payton Tolle | Selected | Boston Red Sox selected the contract of LHP Payton Tolle from Worcester Red Sox. |
| Aug 29 | Jhostynxon Garcia | Optioned | Boston Red Sox optioned CF Jhostynxon Garcia to Worcester Red Sox. |
| Aug 29 | Nick Sogard | Recalled | Boston Red Sox recalled 1B Nick Sogard from Worcester Red Sox. |
| Aug 28 | Jovani Morán | Optioned | Boston Red Sox optioned LHP Jovani Morán to Worcester Red Sox. |
| Aug 28 | Justin Slaten | Status Change | Boston Red Sox activated RHP Justin Slaten from the 60-day injured list. |
| Aug 28 | Rob Refsnyder | Status Change | Boston Red Sox activated RF Rob Refsnyder from the 10-day injured list. |
| Aug 28 | Nathaniel Lowe | Status Change | Boston Red Sox placed 1B Nathaniel Lowe on the paternity list. |
| Aug 26 | Luis Guerrero | Assigned | Boston Red Sox sent RHP Luis Guerrero on a rehab assignment to Greenville Drive. |
| Aug 26 | Richard Fitts | Status Change | Boston Red Sox placed RHP Richard Fitts on the 15-day injured list. Right arm neuritis. |
| Aug 26 | Jovani Morán | Recalled | Boston Red Sox recalled LHP Jovani Morán from Worcester Red Sox. |
| Aug 23 | Abraham Toro | Outrighted | Boston Red Sox sent 1B Abraham Toro outright to Worcester Red Sox. |
| Aug 21 | Ali Sánchez | Outrighted | Boston Red Sox sent C Ali Sánchez outright to Worcester Red Sox. |
| Aug 21 | Jhostynxon Garcia | Recalled | Boston Red Sox recalled CF Jhostynxon Garcia from Worcester Red Sox. |
| Aug 21 | Wilyer Abreu | Status Change | Boston Red Sox placed RF Wilyer Abreu on the 10-day injured list retroactive to August 18, 2025. Right calf strain. |
| Aug 21 | Abraham Toro | Designated for Assignment | Boston Red Sox designated 1B Abraham Toro for assignment. |
| Aug 21 | David Hamilton | Recalled | Boston Red Sox recalled 2B David Hamilton from Worcester Red Sox. |
| Aug 21 | Richard Fitts | Recalled | Boston Red Sox recalled RHP Richard Fitts from Worcester Red Sox. |
| Aug 20 | Isaiah Campbell | Optioned | Boston Red Sox optioned RHP Isaiah Campbell to Worcester Red Sox. |
| Aug 19 | Justin Slaten | Assigned | Boston Red Sox sent RHP Justin Slaten on a rehab assignment to Worcester Red Sox. |
| Aug 19 | Brennan Bernardino | Recalled | Boston Red Sox recalled LHP Brennan Bernardino from Worcester Red Sox. |
| Aug 19 | Jovani Morán | Optioned | Boston Red Sox optioned LHP Jovani Morán to Worcester Red Sox. |
| Aug 19 | Justin Slaten | Assigned | Boston Red Sox sent RHP Justin Slaten on a rehab assignment to Worcester Red Sox. |
| Aug 18 | Nathaniel Lowe | Signed as Free Agent | Boston Red Sox signed free agent 1B Nathaniel Lowe. |
| Aug 18 | Nate Eaton | Recalled | Boston Red Sox recalled 3B Nate Eaton from Worcester Red Sox. |
| Aug 18 | Ali Sánchez | Designated for Assignment | Boston Red Sox designated C Ali Sánchez for assignment. |
| Aug 18 | Rob Refsnyder | Status Change | Boston Red Sox placed RF Rob Refsnyder on the 10-day injured list retroactive to August 15, 2025. Left oblique strain. |
| Aug 13 | Nick Burdi | Outrighted | Boston Red Sox sent RHP Nick Burdi outright to Worcester Red Sox. |
| Aug 11 | Chris Murphy | Optioned | Boston Red Sox optioned LHP Chris Murphy to Worcester Red Sox. |
| Aug 11 | David Hamilton | Optioned | Boston Red Sox optioned 2B David Hamilton to Worcester Red Sox. |
| Aug 11 | Nick Burdi | Designated for Assignment | Boston Red Sox designated RHP Nick Burdi for assignment. |
| Aug 11 | Jovani Morán | Selected | Boston Red Sox selected the contract of LHP Jovani Morán from Worcester Red Sox. |
| Aug 11 | Ali Sánchez | Status Change | Boston Red Sox activated C Ali Sánchez. |
| Aug 8 | Ali Sánchez | Claimed Off Waivers | Boston Red Sox claimed C Ali Sánchez off waivers from Toronto Blue Jays. |
| Aug 7 | Jorge Alcala | Claimed Off Waivers | St. Louis Cardinals claimed RHP Jorge Alcala off waivers from Boston Red Sox. |
| Aug 6 | Jose Alexandro | Signed as Free Agent | Boston Red Sox signed free agent RHP Jose Alexandro to a minor league contract. |
| Aug 5 | Isaiah Campbell | Recalled | Boston Red Sox recalled RHP Isaiah Campbell from Worcester Red Sox. |
| Aug 5 | Jorge Alcala | Designated for Assignment | Boston Red Sox designated RHP Jorge Alcala for assignment. |
| Aug 2 | Zack Kelly | Optioned | Boston Red Sox optioned RHP Zack Kelly to Worcester Red Sox. |
| Aug 2 | Nick Burdi | Optioned | Boston Red Sox optioned RHP Nick Burdi to Worcester Red Sox. |
| Aug 2 | Luis Guerrero | Status Change | Boston Red Sox transferred RHP Luis Guerrero from the 15-day injured list to the 60-day injured list. Right elbow strain. |
| Aug 2 | Cooper Criswell | Optioned | Boston Red Sox optioned RHP Cooper Criswell to Worcester Red Sox. |
| Aug 2 | Dustin May | Status Change | Boston Red Sox activated RHP Dustin May. |
| Aug 1 | Nick Burdi | Assigned | Boston Red Sox sent RHP Nick Burdi on a rehab assignment to Worcester Red Sox. |
| Aug 1 | Steven Matz | Status Change | Boston Red Sox activated LHP Steven Matz. |
| Aug 1 | Brennan Bernardino | Optioned | Boston Red Sox optioned LHP Brennan Bernardino to Worcester Red Sox. |
| Aug 1 | Nick Burdi | Assigned | Boston Red Sox sent RHP Nick Burdi on a rehab assignment to Worcester Red Sox. |
| Jul 31 | Tanner Houck | Status Change | Boston Red Sox placed RHP Tanner Houck on the 60-day injured list. Right flexor pronator strain. |
| Jul 31 | Tanner Houck | Status Change | Boston Red Sox placed RHP Tanner Houck on the 60-day injured list. Right flexor pronator strain. |
| Jul 31 | Hunter Dobbins | Status Change | Boston Red Sox transferred RHP Hunter Dobbins from the 15-day injured list to the 60-day injured list. Right ACL tear. |
| Jul 31 | Zach Ehrhard | Trade | Los Angeles Dodgers traded RHP Dustin May to Boston Red Sox for RF James Tibbs III and OF Zach Ehrhard. |
| Jul 31 | Blaze Jordan | Trade | St. Louis Cardinals traded LHP Steven Matz to Boston Red Sox for 1B Blaze Jordan. |
| Jul 29 | Cooper Criswell | Recalled | Boston Red Sox recalled RHP Cooper Criswell from Worcester Red Sox. |
| Jul 29 | Richard Fitts | Optioned | Boston Red Sox optioned RHP Richard Fitts to Worcester Red Sox. |
| Jul 26 | Chadwick Tromp | Signed as Free Agent | Boston Red Sox signed free agent C Chadwick Tromp to a minor league contract. |
| Jul 25 | David Hamilton | Recalled | Boston Red Sox recalled 2B David Hamilton from Worcester Red Sox. |
| Jul 25 | Marcelo Mayer | Status Change | Boston Red Sox placed 3B Marcelo Mayer on the 10-day injured list retroactive to July 24, 2025. Right wrist sprain. |
| Jul 24 | Zack Kelly | Assigned | Boston Red Sox sent RHP Zack Kelly on a rehab assignment to Greenville Drive. |
| Jul 24 | Ty Hodge | Signed | Boston Red Sox signed SS Ty Hodge. |
| Jul 24 | Caleb Berry | Signed as Free Agent | Boston Red Sox signed free agent C Caleb Berry to a minor league contract. |
| Jul 24 | Zack Kelly | Assigned | Boston Red Sox sent RHP Zack Kelly on a rehab assignment to Greenville Drive. |
| Jul 22 | Dylan Brown | Signed | Boston Red Sox signed LHP Dylan Brown. |
| Jul 22 | Myles Patton | Signed | Boston Red Sox signed LHP Myles Patton. |
| Jul 22 | Mason White | Signed | Boston Red Sox signed SS Mason White. |
| Jul 22 | Henry Godbout | Signed | Boston Red Sox signed SS Henry Godbout. |
| Jul 20 | Barrett Morgan | Status Change | RHP Barrett Morgan roster status changed by Boston Red Sox. |
| Jul 20 | Barrett Morgan | Status Change | RHP Barrett Morgan roster status changed by Boston Red Sox. |
| Jul 20 | Fabian Bonilla | Signed | Boston Red Sox signed OF Fabian Bonilla. |
| Jul 20 | Cade Fisher | Signed | Boston Red Sox signed LHP Cade Fisher. |
| Jul 20 | Patrick Galle | Signed | Boston Red Sox signed RHP Patrick Galle. |
| Jul 20 | Jason Gilman | Signed | Boston Red Sox signed LHP Jason Gilman. |
| Jul 20 | Skylar King | Signed | Boston Red Sox signed OF Skylar King. |
| Jul 20 | Carter Rasmussen | Signed | Boston Red Sox signed RHP Carter Rasmussen. |
| Jul 20 | Jack Winnay | Signed | Boston Red Sox signed 3B Jack Winnay. |
| Jul 20 | Ethan Walker | Signed | Boston Red Sox signed LHP Ethan Walker. |
| Jul 20 | Barrett Morgan | Signed | Boston Red Sox signed RHP Barrett Morgan. |
| Jul 20 | Maximus Martin | Signed | Boston Red Sox signed SS Maximus Martin. |
| Jul 20 | Jacob Mayers | Signed | Boston Red Sox signed RHP Jacob Mayers. |
| Jul 20 | Leighton Finley | Signed | Boston Red Sox signed RHP Leighton Finley. |
| Jul 20 | Christian Foutch | Signed | Boston Red Sox signed RHP Christian Foutch. |
| Jul 20 | Anthony Eyanson | Signed | Boston Red Sox signed RHP Anthony Eyanson. |
| Jul 20 | Marcus Phillips | Signed | Boston Red Sox signed RHP Marcus Phillips. |
| Jul 20 | Kyson Witherspoon | Signed | Boston Red Sox signed RHP Kyson Witherspoon. |
| Jul 20 | Andrews Opata | Signed as Free Agent | Boston Red Sox signed free agent OF Andrews Opata to a minor league contract. |
| Jul 18 | Ronaldo Hernández | Signed as Free Agent | Boston Red Sox signed free agent C Ronaldo Hernández to a minor league contract. |
| Jul 12 | Blake Sabol | Trade | Boston Red Sox traded C Blake Sabol to Chicago White Sox for cash. |
| Jul 12 | Hunter Dobbins | Status Change | Boston Red Sox placed RHP Hunter Dobbins on the 15-day injured list. Right ACL tear. |
| Jul 12 | Richard Fitts | Recalled | Boston Red Sox recalled RHP Richard Fitts from Worcester Red Sox. |
| Jul 11 | Isaiah Campbell | Optioned | Boston Red Sox optioned RHP Isaiah Campbell to Worcester Red Sox. |
| Jul 11 | David Hamilton | Optioned | Boston Red Sox optioned 2B David Hamilton to Worcester Red Sox. |
| Jul 11 | Hunter Dobbins | Status Change | Boston Red Sox activated RHP Hunter Dobbins from the 15-day injured list. |
| Jul 11 | Alex Bregman | Status Change | Boston Red Sox activated 3B Alex Bregman from the 10-day injured list. |
| Jul 9 | Tanner Houck | Assigned | Boston Red Sox sent RHP Tanner Houck on a rehab assignment to Worcester Red Sox. |
| Jul 9 | Nick Burdi | Status Change | Boston Red Sox placed RHP Nick Burdi on the 60-day injured list. Right foot contusion. |
| Jul 9 | Masataka Yoshida | Status Change | Boston Red Sox activated LF Masataka Yoshida from the 60-day injured list. |
| Jul 9 | Nate Eaton | Optioned | Boston Red Sox optioned 3B Nate Eaton to Worcester Red Sox. |
| Jul 9 | Tanner Houck | Assigned | Boston Red Sox sent RHP Tanner Houck on a rehab assignment to Worcester Red Sox. |
| Jul 8 | Richard Fitts | Optioned | Boston Red Sox optioned RHP Richard Fitts to Worcester Red Sox. |
| Jul 8 | Isaiah Campbell | Selected | Boston Red Sox selected the contract of RHP Isaiah Campbell from Worcester Red Sox. |
| Jul 8 | Liam Hendriks | Status Change | Boston Red Sox transferred RHP Liam Hendriks from the 15-day injured list to the 60-day injured list. Right hip inflammation. |
| Jul 5 | Hunter Dobbins | Assigned | Boston Red Sox sent RHP Hunter Dobbins on a rehab assignment to Portland Sea Dogs. |
| Jul 5 | Alexander Heredia | Signed as Free Agent | Boston Red Sox signed free agent RHP Alexander Heredia to a minor league contract. |
| Jul 5 | Hunter Dobbins | Assigned | Boston Red Sox sent RHP Hunter Dobbins on a rehab assignment to Portland Sea Dogs. |
| Jul 4 | Tanner Houck | Assigned | Boston Red Sox sent RHP Tanner Houck on a rehab assignment to Portland Sea Dogs. |
| Jul 4 | Tanner Houck | Assigned | Boston Red Sox sent RHP Tanner Houck on a rehab assignment to Portland Sea Dogs. |
| Jul 4 | Masataka Yoshida | Assigned | Boston Red Sox sent LF Masataka Yoshida on a rehab assignment to Portland Sea Dogs. |
| Jul 3 | Cooper Criswell | Optioned | Boston Red Sox optioned RHP Cooper Criswell to Worcester Red Sox. |
| Jul 2 | Rony Calderon | Signed as Free Agent | Boston Red Sox signed free agent LHP Rony Calderon to a minor league contract. |
| Jul 2 | Cooper Criswell | Recalled | Boston Red Sox recalled RHP Cooper Criswell from Worcester Red Sox. |
| Jul 1 | Masataka Yoshida | Assigned | Boston Red Sox sent LF Masataka Yoshida on a rehab assignment to Worcester Red Sox. |
| Jun 30 | Jordan Hicks | Status Change | Boston Red Sox activated RHP Jordan Hicks from the 15-day injured list. |
| Jun 30 | Jordan Hicks | Status Change | Boston Red Sox activated RHP Jordan Hicks from the 15-day injured list. |
| Jun 30 | Nick Sogard | Optioned | Boston Red Sox optioned 1B Nick Sogard to Worcester Red Sox. |
| Jun 30 | Marcelo Mayer | Status Change | Boston Red Sox activated 3B Marcelo Mayer from the bereavement list. |
| Jun 28 | Chris Murphy | Status Change | Boston Red Sox activated LHP Chris Murphy from the 60-day injured list. |
| Jun 28 | Justin Slaten | Status Change | Boston Red Sox transferred RHP Justin Slaten from the 15-day injured list to the 60-day injured list. |
| Jun 28 | Luis Guerrero | Status Change | Boston Red Sox placed RHP Luis Guerrero on the 15-day injured list. Right elbow strain. |
| Jun 27 | Marcelo Mayer | Status Change | Boston Red Sox placed 3B Marcelo Mayer on the bereavement list. |
| Jun 27 | Nick Sogard | Recalled | Boston Red Sox recalled 1B Nick Sogard from Worcester Red Sox. |
| Jun 22 | Richard Fitts | Recalled | Boston Red Sox recalled RHP Richard Fitts from Worcester Red Sox. |
| Jun 22 | Hunter Dobbins | Status Change | Boston Red Sox placed RHP Hunter Dobbins on the 15-day injured list retroactive to June 21, 2025. Right elbow strain. |
| Jun 22 | Jordan Hicks | Assigned | Boston Red Sox sent RHP Jordan Hicks on a rehab assignment to Worcester Red Sox. |
| Jun 21 | Wascar Berroa | Signed as Free Agent | Boston Red Sox signed free agent RHP Wascar Berroa to a minor league contract. |
| Jun 20 | Zach Penrod | Trade | Boston Red Sox traded LHP Zach Penrod to Los Angeles Dodgers for cash. |
| Jun 20 | Kristian Campbell | Optioned | Boston Red Sox optioned 2B Kristian Campbell to Worcester Red Sox. |
| Jun 20 | Wilyer Abreu | Status Change | Boston Red Sox activated RF Wilyer Abreu from the 10-day injured list. |
| Jun 18 | Tanner Houck | Assigned | Boston Red Sox sent RHP Tanner Houck on a rehab assignment to Worcester Red Sox. |
| Jun 17 | Wilyer Abreu | Assigned | Boston Red Sox sent RF Wilyer Abreu on a rehab assignment to Worcester Red Sox. |
| Jun 16 | Nate Eaton | Recalled | Boston Red Sox recalled RF Nate Eaton from Worcester Red Sox. |
| Jun 15 | Kyle Harrison | Optioned | Boston Red Sox optioned LHP Kyle Harrison to Worcester Red Sox. |
| Jun 15 | Zach Penrod | Designated for Assignment | Boston Red Sox designated LHP Zach Penrod for assignment. |
| Jun 15 | Jordan Hicks | Trade | Boston Red Sox traded DH Rafael Devers to San Francisco Giants for LHP Kyle Harrison, RHP Jordan Hicks, RHP Jose Bello and RF James Tibbs III. |
| Jun 14 | Kevin Morillo | Signed as Free Agent | Boston Red Sox signed free agent C Kevin Morillo to a minor league contract. |
| Jun 14 | — | Trade | Boston Red Sox traded RHP Brian Van Belle to Cincinnati Reds for cash. |
| Jun 13 | Nick Burdi | Assigned | Boston Red Sox sent RHP Nick Burdi on a rehab assignment to Worcester Red Sox. |
| Jun 13 | Brian Van Belle | Status Change | RHP Brian Van Belle roster status changed by Boston Red Sox. |
| Jun 13 | Ryan Noda | Claimed Off Waivers | Chicago White Sox claimed 1B Ryan Noda off waivers from Boston Red Sox. |
| Jun 13 | Nick Burdi | Assigned | Boston Red Sox sent RHP Nick Burdi on a rehab assignment to Worcester Red Sox. |
| Jun 12 | Ryan Noda | Status Change | 1B Ryan Noda roster status changed by Boston Red Sox. |
| Jun 12 | Michael Manjarres | Signed as Free Agent | Boston Red Sox signed free agent LHP Michael Manjarres to a minor league contract. |
| Jun 11 | Jorge Alcala | Status Change | Boston Red Sox activated RHP Jorge Alcala. |
| Jun 11 | Jorge Alcala | Status Change | Boston Red Sox activated RHP Jorge Alcala. |
| Jun 11 | Andy Lugo | Trade | Minnesota Twins traded RHP Jorge Alcala to Boston Red Sox for IF Andy Lugo. |
| Jun 11 | Brian Van Belle | Designated for Assignment | Boston Red Sox designated RHP Brian Van Belle for assignment. |
| Jun 11 | Robert Stock | Outrighted | Boston Red Sox sent RHP Robert Stock outright to Worcester Red Sox. |
| Jun 11 | Robert Stock | Outrighted | Boston Red Sox sent RHP Robert Stock outright to Worcester Red Sox. |
| Jun 10 | Roman Anthony | Number Change | CF Roman Anthony changed number to 19. |
| Jun 10 | Chris Murphy | Assigned | Boston Red Sox sent LHP Chris Murphy on a rehab assignment to Worcester Red Sox. |
| Jun 9 | Ryan Noda | Designated for Assignment | Boston Red Sox designated 1B Ryan Noda for assignment. |
| Jun 9 | Wilyer Abreu | Status Change | Boston Red Sox placed RF Wilyer Abreu on the 10-day injured list. Left oblique strain. |
| Jun 9 | Roman Anthony | Selected | Boston Red Sox selected the contract of CF Roman Anthony from Worcester Red Sox. |
| Jun 9 | Robert Stock | Designated for Assignment | Boston Red Sox designated RHP Robert Stock for assignment. |
| Jun 9 | Brian Van Belle | Selected | Boston Red Sox selected the contract of RHP Brian Van Belle from Worcester Red Sox. |
| Jun 7 | Josh Winckowski | Recalled | Boston Red Sox recalled RHP Josh Winckowski from Worcester Red Sox. |
| Jun 7 | Cooper Criswell | Optioned | Boston Red Sox optioned RHP Cooper Criswell to Worcester Red Sox. |
| Jun 7 | Robert Stock | Selected | Boston Red Sox selected the contract of RHP Robert Stock from Worcester Red Sox. |
| Jun 5 | Blake Sabol | Outrighted | Boston Red Sox sent C Blake Sabol outright to Worcester Red Sox. |
| Jun 4 | Eddison Septimo | Signed as Free Agent | Boston Red Sox signed free agent RHP Eddison Septimo to a minor league contract. |
| Jun 3 | Breylin Cruz | Signed as Free Agent | Boston Red Sox signed free agent RHP Breylin Cruz to a minor league contract. |
| Jun 3 | Chris Murphy | Assigned | Boston Red Sox sent LHP Chris Murphy on a rehab assignment to Portland Sea Dogs. |
| Jun 3 | Cooper Criswell | Recalled | Boston Red Sox recalled RHP Cooper Criswell from Worcester Red Sox. |
| Jun 3 | Zack Kelly | Recalled | Boston Red Sox recalled RHP Zack Kelly from Worcester Red Sox. |
| Jun 3 | Richard Fitts | Optioned | Boston Red Sox optioned RHP Richard Fitts to Worcester Red Sox. |
| Jun 3 | Nick Burdi | Status Change | Boston Red Sox placed RHP Nick Burdi on the 15-day injured list. Right foot contusion. |
| Jun 2 | Nate Eaton | Optioned | Boston Red Sox optioned RF Nate Eaton to Worcester Red Sox. |
| Jun 2 | Romy Gonzalez | Status Change | Boston Red Sox activated 1B Romy Gonzalez from the 10-day injured list. |
| Jun 1 | Blake Sabol | Designated for Assignment | Boston Red Sox designated C Blake Sabol for assignment. |
| Jun 1 | Nick Sogard | Optioned | Boston Red Sox optioned 1B Nick Sogard to Worcester Red Sox. |
| Jun 1 | Nate Eaton | Selected | Boston Red Sox selected the contract of RF Nate Eaton from Worcester Red Sox. |
| Jun 1 | Luis Guerrero | Recalled | Boston Red Sox recalled RHP Luis Guerrero from Worcester Red Sox. |
| Jun 1 | Justin Slaten | Status Change | Boston Red Sox placed RHP Justin Slaten on the 15-day injured list retroactive to May 29, 2025. Right shoulder inflammation. |
| May 31 | Romy Gonzalez | Assigned | Boston Red Sox sent 1B Romy Gonzalez on a rehab assignment to Worcester Red Sox. |
| May 30 | Liam Hendriks | Status Change | Boston Red Sox placed RHP Liam Hendriks on the 15-day injured list retroactive to May 28, 2025. Right hip inflammation. |
| May 30 | Nick Burdi | Recalled | Boston Red Sox recalled RHP Nick Burdi from Worcester Red Sox. |
| May 27 | Chris Murphy | Assigned | Boston Red Sox sent LHP Chris Murphy on a rehab assignment to Greenville Drive. |
| May 27 | Zack Kelly | Optioned | Boston Red Sox optioned RHP Zack Kelly to Worcester Red Sox. |
| May 27 | Zach Penrod | Optioned | Boston Red Sox optioned LHP Zach Penrod to Worcester Red Sox. |
| May 27 | Zach Penrod | Status Change | Boston Red Sox activated LHP Zach Penrod from the 60-day injured list. |
| May 27 | Richard Fitts | Status Change | Boston Red Sox activated RHP Richard Fitts from the 15-day injured list. |
| May 27 | Jorge Juan | Signed as Free Agent | Boston Red Sox signed free agent RHP Jorge Juan to a minor league contract. |
| May 27 | Sean Newcomb | Trade | Boston Red Sox traded LHP Sean Newcomb to Athletics for cash. |
| May 26 | Allan Griman | Signed as Free Agent | Boston Red Sox signed free agent RHP Allan Griman to a minor league contract. |
| May 25 | Cooper Criswell | Optioned | Boston Red Sox optioned RHP Cooper Criswell to Worcester Red Sox. |
| May 25 | Luis Guerrero | Optioned | Boston Red Sox optioned RHP Luis Guerrero to Worcester Red Sox. |
| May 25 | Zack Kelly | Recalled | Boston Red Sox recalled RHP Zack Kelly from Worcester Red Sox. |
| May 24 | Zach Penrod | Assigned | Boston Red Sox sent LHP Zach Penrod on a rehab assignment to FCL Red Sox. |
| May 24 | Luis Guerrero | Recalled | Boston Red Sox recalled RHP Luis Guerrero from Worcester Red Sox. |
| May 24 | Sean Newcomb | Designated for Assignment | Boston Red Sox designated LHP Sean Newcomb for assignment. |
| May 24 | Marcelo Mayer | Selected | Boston Red Sox selected the contract of SS Marcelo Mayer from Worcester Red Sox. |
| May 24 | Triston Casas | Status Change | Boston Red Sox transferred 1B Triston Casas from the 10-day injured list to the 60-day injured list. |
| May 24 | Alex Bregman | Status Change | Boston Red Sox placed 3B Alex Bregman on the 10-day injured list. Right quad strain. |
| May 24 | Cooper Criswell | Recalled | Boston Red Sox recalled RHP Cooper Criswell from Worcester Red Sox. |
| May 24 | Zach Penrod | Assigned | Boston Red Sox sent LHP Zach Penrod on a rehab assignment to FCL Red Sox. |
| May 22 | Ryan Noda | Status Change | Boston Red Sox reassigned 1B Ryan Noda to the minor leagues. |
| May 22 | Ryan Noda | Optioned | Boston Red Sox optioned 1B Ryan Noda to Worcester Red Sox. |
| May 22 | Ryan Noda | Trade | Los Angeles Angels traded 1B Ryan Noda to Boston Red Sox for cash. |
| May 22 | Masataka Yoshida | Status Change | Boston Red Sox transferred LF Masataka Yoshida from the 10-day injured list to the 60-day injured list. right shoulder labral repair. |
| May 22 | Richard Fitts | Assigned | Boston Red Sox sent RHP Richard Fitts on a rehab assignment to Portland Sea Dogs. |
| May 22 | P.J. Labriola | Signed as Free Agent | Boston Red Sox signed free agent LHP P.J. Labriola to a minor league contract. |
| May 21 | Erickson Ettien | Signed as Free Agent | Boston Red Sox signed free agent RHP Erickson Ettien to a minor league contract. |
| May 20 | Nick Burdi | Optioned | Boston Red Sox optioned RHP Nick Burdi to Worcester Red Sox. |
| May 20 | Walker Buehler | Status Change | Boston Red Sox activated RHP Walker Buehler from the 15-day injured list. |
| May 16 | Nick Burdi | Selected | Boston Red Sox selected the contract of RHP Nick Burdi from Worcester Red Sox. |
| May 15 | Kutter Crawford | Status Change | Boston Red Sox transferred RHP Kutter Crawford from the 15-day injured list to the 60-day injured list. Right patellar tendinopathy. |
| May 15 | Cooper Criswell | Optioned | Boston Red Sox optioned RHP Cooper Criswell to Worcester Red Sox. |
| May 14 | Jostin Ogando | Signed as Free Agent | Boston Red Sox signed free agent CF Jostin Ogando to a minor league contract. |
| May 14 | Tanner Houck | Status Change | Boston Red Sox placed RHP Tanner Houck on the 15-day injured list retroactive to May 13, 2025. Right flexor pronator strain. |
| May 14 | Cooper Criswell | Recalled | Boston Red Sox recalled RHP Cooper Criswell from Worcester Red Sox. |
| May 13 | Ranci Castillo | Signed as Free Agent | Boston Red Sox signed free agent RHP Ranci Castillo to a minor league contract. |
| May 10 | Romy Gonzalez | Status Change | Boston Red Sox placed 1B Romy Gonzalez on the 10-day injured list retroactive to May 8, 2025. Left quad contusion. |
| May 10 | Nick Sogard | Recalled | Boston Red Sox recalled 2B Nick Sogard from Worcester Red Sox. |
| May 5 | John Holobetz | Trade | Milwaukee Brewers traded RHP John Holobetz to Boston Red Sox. PTBNL from 4/7 Quinn Priester trade. |
| May 3 | Triston Casas | Status Change | Boston Red Sox placed 1B Triston Casas on the 10-day injured list. Left patellar tendon rupture. |
| May 3 | Luis Guerrero | Optioned | Boston Red Sox optioned RHP Luis Guerrero to Worcester Red Sox. |
| May 3 | Abraham Toro | Selected | Boston Red Sox selected the contract of 3B Abraham Toro from Worcester Red Sox. |
| May 3 | Brennan Bernardino | Status Change | Boston Red Sox activated LHP Brennan Bernardino from the bereavement list. |
| May 2 | Hunter Dobbins | Recalled | Boston Red Sox recalled RHP Hunter Dobbins from Worcester Red Sox. |
| May 2 | Walker Buehler | Status Change | Boston Red Sox placed RHP Walker Buehler on the 15-day injured list retroactive to April 29, 2025. Right shoulder bursitis. |
| May 2 | Connor Wong | Status Change | Boston Red Sox activated C Connor Wong from the 10-day injured list. |
| May 2 | Blake Sabol | Optioned | Boston Red Sox optioned C Blake Sabol to Worcester Red Sox. |
| Apr 30 | Brennan Bernardino | Status Change | Boston Red Sox placed LHP Brennan Bernardino on the bereavement list. |
| Apr 30 | Lucas Giolito | Status Change | Boston Red Sox activated RHP Lucas Giolito from the 15-day injured list. |
| Apr 30 | Jay Allmer | Signed as Free Agent | Boston Red Sox signed free agent RHP Jay Allmer to a minor league contract. |
| Apr 28 | Yomar De La Rosa | Signed as Free Agent | Boston Red Sox signed free agent RHP Yomar De La Rosa to a minor league contract. |
| Apr 27 | Connor Wong | Assigned | Boston Red Sox sent C Connor Wong on a rehab assignment to Worcester Red Sox. |
| Apr 27 | Cooper Criswell | Optioned | Boston Red Sox optioned RHP Cooper Criswell to Worcester Red Sox. |
| Apr 27 | Connor Wong | Assigned | Boston Red Sox sent C Connor Wong on a rehab assignment to Worcester Red Sox. |
| Apr 26 | Cooper Criswell | Recalled | Boston Red Sox recalled RHP Cooper Criswell from Worcester Red Sox. |
| Apr 25 | Lucas Giolito | Assigned | Boston Red Sox sent RHP Lucas Giolito on a rehab assignment to Worcester Red Sox. |
| Apr 24 | Josh Winckowski | Optioned | Boston Red Sox optioned RHP Josh Winckowski to Worcester Red Sox. |
| Apr 24 | Luis Guerrero | Recalled | Boston Red Sox recalled RHP Luis Guerrero from Worcester Red Sox. |
| Apr 22 | Brayan Bello | Status Change | Boston Red Sox activated RHP Brayan Bello from the 15-day injured list. |
| Apr 22 | Brayan Bello | Status Change | Boston Red Sox activated RHP Brayan Bello from the 15-day injured list. |
| Apr 22 | Zack Kelly | Optioned | Boston Red Sox optioned RHP Zack Kelly to Worcester Red Sox. |
| Apr 20 | Michael Fulmer | Outrighted | Boston Red Sox sent RHP Michael Fulmer outright to Worcester Red Sox. |
| Apr 19 | Liam Hendriks | Status Change | Boston Red Sox activated RHP Liam Hendriks from the 15-day injured list. |
| Apr 19 | Hunter Dobbins | Optioned | Boston Red Sox optioned RHP Hunter Dobbins to Worcester Red Sox. |
| Apr 18 | Michael Fulmer | Designated for Assignment | Boston Red Sox designated RHP Michael Fulmer for assignment. |
| Apr 18 | Nick Sogard | Optioned | Boston Red Sox optioned 2B Nick Sogard to Worcester Red Sox. |
| Apr 18 | Hunter Dobbins | Recalled | Boston Red Sox recalled RHP Hunter Dobbins from Worcester Red Sox. |
| Apr 18 | Alex Bregman | Status Change | Boston Red Sox activated 3B Alex Bregman from the paternity list. |
| Apr 16 | Carlos Falcon | Signed as Free Agent | Boston Red Sox signed free agent RHP Carlos Falcon to a minor league contract. |
| Apr 16 | Liam Hendriks | Assigned | Boston Red Sox sent RHP Liam Hendriks on a rehab assignment to Portland Sea Dogs. |
| Apr 16 | Angel Lopez | Signed as Free Agent | Boston Red Sox signed free agent RHP Angel Lopez to a minor league contract. |
| Apr 16 | Liam Hendriks | Assigned | Boston Red Sox sent RHP Liam Hendriks on a rehab assignment to Portland Sea Dogs. |
| Apr 16 | Brayan Bello | Assigned | Boston Red Sox sent RHP Brayan Bello on a rehab assignment to Portland Sea Dogs. |
| Apr 16 | Nick Sogard | Recalled | Boston Red Sox recalled 2B Nick Sogard from Worcester Red Sox. |
| Apr 16 | Alex Bregman | Status Change | Boston Red Sox placed 3B Alex Bregman on the paternity list. |
| Apr 16 | Tanner Houck | Number Change | RHP Tanner Houck changed number to 89. |
| Apr 16 | Rafael Devers | Number Change | 3B Rafael Devers changed number to 11. |
| Apr 16 | Garrett Whitlock | Number Change | RHP Garrett Whitlock changed number to 22. |
| Apr 16 | Jarren Duran | Number Change | CF Jarren Duran changed number to 16. |
| Apr 16 | Josh Winckowski | Number Change | RHP Josh Winckowski changed number to 25. |
| Apr 16 | Zack Kelly | Number Change | RHP Zack Kelly changed number to 76. |
| Apr 16 | Rob Refsnyder | Number Change | LF Rob Refsnyder changed number to 30. |
| Apr 16 | Ceddanne Rafaela | Number Change | SS Ceddanne Rafaela changed number to 3. |
| Apr 16 | David Hamilton | Number Change | SS David Hamilton changed number to 17. |
| Apr 16 | Wilyer Abreu | Number Change | RF Wilyer Abreu changed number to 52. |
| Apr 16 | Triston Casas | Number Change | 1B Triston Casas changed number to 36. |
| Apr 16 | Greg Weissert | Number Change | RHP Greg Weissert changed number to 57. |
| Apr 16 | Trevor Story | Number Change | SS Trevor Story changed number to 10. |
| Apr 16 | Brennan Bernardino | Number Change | LHP Brennan Bernardino changed number to 83. |
| Apr 16 | Justin Slaten | Number Change | RHP Justin Slaten changed number to 63. |
| Apr 16 | Aroldis Chapman | Number Change | LHP Aroldis Chapman changed number to 44. |
| Apr 16 | Garrett Crochet | Number Change | LHP Garrett Crochet changed number to 35. |
| Apr 16 | Carlos Narváez | Number Change | C Carlos Narváez changed number to 75. |
| Apr 16 | Walker Buehler | Number Change | RHP Walker Buehler changed number to 0. |
| Apr 16 | Justin Wilson | Number Change | LHP Justin Wilson changed number to 32. |
| Apr 16 | Sean Newcomb | Number Change | LHP Sean Newcomb changed number to 19. |
| Apr 16 | Alex Bregman | Number Change | 3B Alex Bregman changed number to 2. |
| Apr 16 | Romy Gonzalez | Number Change | 2B Romy Gonzalez changed number to 23. |
| Apr 16 | Blake Sabol | Number Change | C Blake Sabol changed number to 18. |
| Apr 16 | Michael Fulmer | Number Change | RHP Michael Fulmer changed number to 51. |
| Apr 16 | Kristian Campbell | Number Change | 2B Kristian Campbell changed number to 28. |
| Apr 15 | Lucas Giolito | Assigned | Boston Red Sox sent RHP Lucas Giolito on a rehab assignment to Portland Sea Dogs. |
| Apr 15 | Lucas Giolito | Assigned | Boston Red Sox sent RHP Lucas Giolito on a rehab assignment to Portland Sea Dogs. |
| Apr 15 | Garrett Whitlock | Number Change | RHP Garrett Whitlock changed number to 42. |
| Apr 15 | Rafael Devers | Number Change | 3B Rafael Devers changed number to 42. |
| Apr 15 | Tanner Houck | Number Change | RHP Tanner Houck changed number to 42. |
| Apr 15 | Ceddanne Rafaela | Number Change | SS Ceddanne Rafaela changed number to 42. |
| Apr 15 | David Hamilton | Number Change | SS David Hamilton changed number to 42. |
| Apr 15 | Rob Refsnyder | Number Change | LF Rob Refsnyder changed number to 42. |
| Apr 15 | Josh Winckowski | Number Change | RHP Josh Winckowski changed number to 42. |
| Apr 15 | Triston Casas | Number Change | 1B Triston Casas changed number to 42. |
| Apr 15 | Zack Kelly | Number Change | RHP Zack Kelly changed number to 42. |
| Apr 15 | Wilyer Abreu | Number Change | RF Wilyer Abreu changed number to 42. |
| Apr 15 | Trevor Story | Number Change | SS Trevor Story changed number to 42. |
| Apr 15 | Jarren Duran | Number Change | CF Jarren Duran changed number to 42. |
| Apr 15 | Justin Slaten | Number Change | RHP Justin Slaten changed number to 42. |
| Apr 15 | Garrett Crochet | Number Change | LHP Garrett Crochet changed number to 42. |
| Apr 15 | Greg Weissert | Number Change | RHP Greg Weissert changed number to 42. |
| Apr 15 | Brennan Bernardino | Number Change | LHP Brennan Bernardino changed number to 42. |
| Apr 15 | Carlos Narváez | Number Change | C Carlos Narváez changed number to 42. |
| Apr 15 | Romy Gonzalez | Number Change | 2B Romy Gonzalez changed number to 42. |
| Apr 15 | Aroldis Chapman | Number Change | LHP Aroldis Chapman changed number to 42. |
| Apr 15 | Justin Wilson | Number Change | LHP Justin Wilson changed number to 42. |
| Apr 15 | Walker Buehler | Number Change | RHP Walker Buehler changed number to 42. |
| Apr 15 | Alex Bregman | Number Change | 3B Alex Bregman changed number to 42. |
| Apr 15 | Kristian Campbell | Number Change | 2B Kristian Campbell changed number to 42. |
| Apr 15 | Sean Newcomb | Number Change | LHP Sean Newcomb changed number to 42. |
| Apr 15 | Michael Fulmer | Number Change | RHP Michael Fulmer changed number to 42. |
| Apr 15 | Blake Sabol | Number Change | C Blake Sabol changed number to 42. |
| Apr 13 | Yasmani Grandal | Signed as Free Agent | Boston Red Sox signed free agent C Yasmani Grandal to a minor league contract. |
| Apr 13 | Richard Fitts | Status Change | Boston Red Sox placed RHP Richard Fitts on the 15-day injured list. Right pectoral strain. |
| Apr 13 | Michael Fulmer | Selected | Boston Red Sox selected the contract of RHP Michael Fulmer from Worcester Red Sox. |
| Apr 10 | Robert Stock | Outrighted | Boston Red Sox sent RHP Robert Stock outright to Worcester Red Sox. |
| Apr 10 | Liam Hendriks | Assigned | Boston Red Sox sent RHP Liam Hendriks on a rehab assignment to Worcester Red Sox. |
| Apr 8 | Blake Sabol | Recalled | Boston Red Sox recalled C Blake Sabol from Worcester Red Sox. |
| Apr 8 | Josh Winckowski | Recalled | Boston Red Sox recalled RHP Josh Winckowski from Worcester Red Sox. |
| Apr 8 | Connor Wong | Status Change | Boston Red Sox placed C Connor Wong on the 10-day injured list. Left fifth finger fracture. |
| Apr 8 | Robert Stock | Designated for Assignment | Boston Red Sox designated RHP Robert Stock for assignment. |
| Apr 7 | Cooper Criswell | Optioned | Boston Red Sox optioned RHP Cooper Criswell to Worcester Red Sox. |
| Apr 7 | Robert Stock | Selected | Boston Red Sox selected the contract of RHP Robert Stock from Worcester Red Sox. |
| Apr 7 | Hunter Dobbins | Optioned | Boston Red Sox optioned RHP Hunter Dobbins to Worcester Red Sox. |
| Apr 7 | — | Trade | Boston Red Sox traded RHP Quinn Priester to Milwaukee Brewers for CF Yophery Rodriguez, Player To Be Named Later and Draft Pick. |
| Apr 6 | Hunter Dobbins | Recalled | Boston Red Sox recalled RHP Hunter Dobbins from Worcester Red Sox. |
| Apr 2 | Lucas Giolito | Assigned | Boston Red Sox sent RHP Lucas Giolito on a rehab assignment to Worcester Red Sox. |
| Apr 1 | Brayan Bello | Assigned | Boston Red Sox sent RHP Brayan Bello on a rehab assignment to Worcester Red Sox. |
| Mar 27 | Noah Davis | Trade | Boston Red Sox traded RHP Noah Davis to Los Angeles Dodgers for cash. |
| Mar 27 | Liam Hendriks | Status Change | Boston Red Sox placed RHP Liam Hendriks on the 15-day injured list retroactive to March 24, 2025. Right elbow inflammation. |
| Mar 27 | Lucas Giolito | Status Change | Boston Red Sox placed RHP Lucas Giolito on the 15-day injured list retroactive to March 24, 2025. Left hamstring strain. |
| Mar 27 | Kutter Crawford | Status Change | Boston Red Sox placed RHP Kutter Crawford on the 15-day injured list retroactive to March 24, 2025. Right patellar tendinopathy. |
| Mar 27 | Brayan Bello | Status Change | Boston Red Sox placed RHP Brayan Bello on the 15-day injured list retroactive to March 24, 2025. Right shoulder strain. |
| Mar 27 | Masataka Yoshida | Status Change | Boston Red Sox placed LF Masataka Yoshida on the 10-day injured list retroactive to March 24, 2025. Right shoulder labral repair. |
| Mar 27 | Zach Penrod | Status Change | Boston Red Sox placed LHP Zach Penrod on the 60-day injured list. left elbow sprain. |
| Mar 27 | Chris Murphy | Status Change | Boston Red Sox placed LHP Chris Murphy on the 60-day injured list. recovery from left UCL surgery. |
| Mar 27 | Sean Newcomb | Selected | Boston Red Sox selected the contract of LHP Sean Newcomb from Worcester Red Sox. |
| Mar 27 | Kristian Campbell | Selected | Boston Red Sox selected the contract of OF Kristian Campbell from Worcester Red Sox. |
| Mar 26 | Noah Davis | Status Change | RHP Noah Davis roster status changed by Boston Red Sox. |
| Mar 26 | Nick Sogard | Optioned | Boston Red Sox optioned 2B Nick Sogard to Worcester Red Sox. |
| Mar 24 | Erik Rivera | Assigned | LHP Erik Rivera assigned to Boston Red Sox. |
| Mar 24 | Reidis Sena | Assigned | RHP Reidis Sena assigned to Boston Red Sox. |
| Mar 23 | Quinn Priester | Optioned | Boston Red Sox optioned RHP Quinn Priester to Worcester Red Sox. |
| Mar 23 | Joe Vogatsky | Assigned | RHP Joe Vogatsky assigned to Boston Red Sox. |
| Mar 23 | Alex Hoppe | Assigned | RHP Alex Hoppe assigned to Boston Red Sox. |
| Mar 22 | Franyer Noria | Assigned | CF Franyer Noria assigned to Boston Red Sox. |
| Mar 22 | Enderso Lira | Assigned | C Enderso Lira assigned to Boston Red Sox. |
| Mar 20 | Oscar Vaamonde | Signed as Free Agent | Boston Red Sox signed free agent RHP Oscar Vaamonde to a minor league contract. |
| Mar 20 | Yariel Valdez | Signed as Free Agent | Boston Red Sox signed free agent RHP Yariel Valdez to a minor league contract. |
| Mar 20 | Blake Sabol | Optioned | Boston Red Sox optioned C Blake Sabol to Worcester Red Sox. |
| Mar 19 | Josh Winckowski | Optioned | Boston Red Sox optioned RHP Josh Winckowski to Worcester Red Sox. |
| Mar 19 | Luis Guerrero | Optioned | Boston Red Sox optioned RHP Luis Guerrero to Worcester Red Sox. |
| Mar 19 | Vaughn Grissom | Optioned | Boston Red Sox optioned 2B Vaughn Grissom to Worcester Red Sox. |
| Mar 17 | Diego Viloria | Assigned | C Diego Viloria assigned to Boston Red Sox. |
| Mar 17 | Karim Ayubi | Assigned | RF Karim Ayubi assigned to Boston Red Sox. |
| Mar 17 | Natanael Yuten | Assigned | RF Natanael Yuten assigned to Boston Red Sox. |
| Mar 17 | Kolby Johnson | Assigned | OF Kolby Johnson assigned to Boston Red Sox. |
| Mar 17 | Starlyn Nunez | Assigned | 3B Starlyn Nunez assigned to Boston Red Sox. |
| Mar 17 | Nick Burdi | Assigned | RHP Nick Burdi assigned to Boston Red Sox. |
| Mar 16 | Jeremy Wu-Yelland | Assigned | LHP Jeremy Wu-Yelland assigned to Boston Red Sox. |
| Mar 14 | Albert Feliz | Assigned | 1B Albert Feliz assigned to Boston Red Sox. |
| Mar 14 | Yohander Linarez | Assigned | 3B Yohander Linarez assigned to Boston Red Sox. |
| Mar 14 | Luis Ravelo | Assigned | SS Luis Ravelo assigned to Boston Red Sox. |
| Mar 13 | Kelvin Diaz | Assigned | CF Kelvin Diaz assigned to Boston Red Sox. |
| Mar 13 | Freili Encarnacion | Assigned | 3B Freili Encarnacion assigned to Boston Red Sox. |
| Mar 11 | Hunter Dobbins | Optioned | Boston Red Sox optioned RHP Hunter Dobbins to Worcester Red Sox. |
| Mar 8 | Karson Simas | Assigned | 3B Karson Simas assigned to Boston Red Sox. |
| Mar 7 | Luis Perales | Optioned | Boston Red Sox optioned RHP Luis Perales to Portland Sea Dogs. |
| Mar 7 | Jhostynxon Garcia | Optioned | Boston Red Sox optioned CF Jhostynxon Garcia to Portland Sea Dogs. |
| Mar 7 | Franklin Arias | Assigned | SS Franklin Arias assigned to Boston Red Sox. |
| Mar 7 | Fraymi De Leon | Assigned | 2B Fraymi De Leon assigned to Boston Red Sox. |
| Mar 7 | Kleyver Salazar | Assigned | C Kleyver Salazar assigned to Boston Red Sox. |
| Mar 5 | Miguel Bleis | Assigned | RF Miguel Bleis assigned to Boston Red Sox. |
| Mar 5 | Adam Smith | Assigned | RHP Adam Smith assigned to Boston Red Sox. |
| Mar 4 | José De León | Signed as Free Agent | Boston Red Sox signed free agent RHP José De León to a minor league contract. |
| Mar 4 | Cooper Adams | Assigned | RHP Cooper Adams assigned to Boston Red Sox. |
| Mar 2 | Nathanael Cruz | Assigned | RHP Nathanael Cruz assigned to Boston Red Sox. |
| Mar 1 | Mikey Romero | Assigned | SS Mikey Romero assigned to Boston Red Sox. |
| Feb 28 | Angelo Ladera | Signed as Free Agent | Boston Red Sox signed free agent RHP Angelo Ladera to a minor league contract. |
| Feb 28 | Zach Ehrhard | Assigned | OF Zach Ehrhard assigned to Boston Red Sox. |
| Feb 28 | Andy Lugo | Assigned | IF Andy Lugo assigned to Boston Red Sox. |
| Feb 28 | Marvin Alcantara | Assigned | SS Marvin Alcantara assigned to Boston Red Sox. |
| Feb 28 | Jonathan Brand | Assigned | RHP Jonathan Brand assigned to Boston Red Sox. |
| Feb 27 | Will Turner | Status Change | OF Will Turner roster status changed by Boston Red Sox. |
| Feb 27 | Will Turner | Status Change | OF Will Turner roster status changed by Boston Red Sox. |
| Feb 27 | Corey Rosier | Status Change | RF Corey Rosier roster status changed by Boston Red Sox. |
| Feb 27 | Corey Rosier | Assigned | RF Corey Rosier assigned to Boston Red Sox. |
| Feb 27 | Will Turner | Assigned | OF Will Turner assigned to Boston Red Sox. |
| Feb 27 | Brendan Cellucci | Assigned | LHP Brendan Cellucci assigned to Boston Red Sox. |
| Feb 26 | Drew Ehrhard | Assigned | C Drew Ehrhard assigned to Boston Red Sox. |
| Feb 26 | Hudson White | Assigned | C Hudson White assigned to Boston Red Sox. |
| Feb 26 | Isaac Stebens | Assigned | RHP Isaac Stebens assigned to Boston Red Sox. |
| Feb 25 | Christopher Troye | Assigned | RHP Christopher Troye assigned to Boston Red Sox. |
| Feb 23 | Andruw Musett | Assigned | C Andruw Musett assigned to Boston Red Sox. |
| Feb 23 | Ronald Rosario | Assigned | C Ronald Rosario assigned to Boston Red Sox. |
| Feb 23 | Jack Anderson | Assigned | RHP Jack Anderson assigned to Boston Red Sox. |
| Feb 23 | Matt Moore | Signed as Free Agent | Boston Red Sox signed free agent LHP Matt Moore to a minor league contract and invited him to spring training. |
| Feb 22 | Gabriel Jackson | Assigned | RHP Gabriel Jackson assigned to Boston Red Sox. |
| Feb 22 | Shane Drohan | Assigned | LHP Shane Drohan assigned to Boston Red Sox. |
| Feb 22 | Jose Adames | Assigned | RHP Jose Adames assigned to Boston Red Sox. |
| Feb 21 | Ahbram Liendo | Status Change | 2B Ahbram Liendo roster status changed by Boston Red Sox. |
| Feb 21 | Blaze Jordan | Status Change | 1B Blaze Jordan roster status changed by Boston Red Sox. |
| Feb 21 | Daniel McElveny | Assigned | C Daniel McElveny assigned to Boston Red Sox. |
| Feb 21 | Juan Montero | Assigned | C Juan Montero assigned to Boston Red Sox. |
| Feb 21 | Caden Rose | Assigned | OF Caden Rose assigned to Boston Red Sox. |
| Feb 21 | Juan Chacon | Assigned | RF Juan Chacon assigned to Boston Red Sox. |
| Feb 21 | Phillip Sikes | Assigned | CF Phillip Sikes assigned to Boston Red Sox. |
| Feb 21 | Justin Riemer | Assigned | 2B Justin Riemer assigned to Boston Red Sox. |
| Feb 21 | Ahbram Liendo | Assigned | 2B Ahbram Liendo assigned to Boston Red Sox. |
| Feb 21 | Blaze Jordan | Assigned | 1B Blaze Jordan assigned to Boston Red Sox. |
| Feb 21 | Max Ferguson | Assigned | 2B Max Ferguson assigned to Boston Red Sox. |
| Feb 21 | Tyler Miller | Assigned | 1B Tyler Miller assigned to Boston Red Sox. |
| Feb 21 | Tyler McDonough | Assigned | OF Tyler McDonough assigned to Boston Red Sox. |
| Feb 21 | Zach Fogell | Assigned | LHP Zach Fogell assigned to Boston Red Sox. |
| Feb 21 | Zach Bryant | Assigned | RHP Zach Bryant assigned to Boston Red Sox. |
| Feb 21 | Grant Gambrell | Assigned | RHP Grant Gambrell assigned to Boston Red Sox. |
| Feb 21 | Hobie Harris | Assigned | RHP Hobie Harris assigned to Boston Red Sox. |
| Feb 18 | Adam Ottavino | Status Change | RHP Adam Ottavino roster status changed by Boston Red Sox. |
| Feb 18 | Adam Ottavino | Signed as Free Agent | Boston Red Sox signed free agent RHP Adam Ottavino to a minor league contract and invited him to spring training. |
| Feb 17 | Trayce Thompson | Signed as Free Agent | Boston Red Sox signed free agent RF Trayce Thompson to a minor league contract and invited him to spring training. |
| Feb 15 | Patrick Sandoval | Status Change | Boston Red Sox placed LHP Patrick Sandoval on the 60-day injured list. |
| Feb 15 | Alex Bregman | Signed as Free Agent | Boston Red Sox signed free agent 3B Alex Bregman. |
| Feb 14 | Erik Rivera | Signed as Free Agent | Boston Red Sox signed free agent LHP Erik Rivera to a minor league contract. |
| Feb 12 | Nick Burdi | Signed as Free Agent | Boston Red Sox signed free agent RHP Nick Burdi to a minor league contract. |
| Jan 28 | Jacob Webb | Assigned | Boston Red Sox invited non-roster RHP Jacob Webb to spring training. |
| Jan 28 | Brian Van Belle | Assigned | Boston Red Sox invited non-roster RHP Brian Van Belle to spring training. |
| Jan 28 | Jovani Morán | Assigned | Boston Red Sox invited non-roster LHP Jovani Moran to spring training. |
| Jan 28 | Mark Kolozsvary | Assigned | Boston Red Sox invited non-roster C Mark Kolozsvary to spring training. |
| Jan 28 | Nathan Hickey | Assigned | Boston Red Sox invited non-roster C Nathan Hickey to spring training. |
| Jan 28 | Abraham Toro | Assigned | Boston Red Sox invited non-roster 3B Abraham Toro to spring training. |
| Jan 28 | Abraham Toro | Signed as Free Agent | Boston Red Sox signed free agent 3B Abraham Toro to a minor league contract. |
| Jan 28 | Kristian Campbell | Assigned | Boston Red Sox invited non-roster OF Kristian Campbell to spring training. |
| Jan 28 | Roman Anthony | Assigned | Boston Red Sox invited non-roster CF Roman Anthony to spring training. |
| Jan 28 | Marcelo Mayer | Assigned | Boston Red Sox invited non-roster SS Marcelo Mayer to spring training. |
| Jan 23 | Mark Kolozsvary | Signed as Free Agent | Boston Red Sox signed free agent C Mark Kolozsvary to a minor league contract. |
| Jan 21 | Kolby Johnson | Signed as Free Agent | Boston Red Sox signed free agent OF Kolby Johnson to a minor league contract. |
| Jan 15 | Juanyerlin Duran | Signed as Free Agent | Boston Red Sox signed free agent RHP Juanyerlin Duran to a minor league contract. |
| Jan 15 | Jainer Almanza | Signed as Free Agent | Boston Red Sox signed free agent RHP Jainer Almanza to a minor league contract. |
| Jan 15 | Enmanuel Figuereo | Signed as Free Agent | Boston Red Sox signed free agent OF Enmanuel Figuereo to a minor league contract. |
| Jan 15 | Robert Stock | Signed as Free Agent | Boston Red Sox signed free agent RHP Robert Stock to a minor league contract and invited him to spring training. |
| Jan 15 | Yovanny Cruz | Signed as Free Agent | Boston Red Sox signed free agent RHP Yovanny Cruz to a minor league contract and invited him to spring training. |
| Jan 15 | Harold Rivas | Signed as Free Agent | Boston Red Sox signed free agent OF Harold Rivas to a minor league contract. |
| Jan 15 | Leosmar Perez | Signed as Free Agent | Boston Red Sox signed free agent RHP Leosmar Perez to a minor league contract. |
| Jan 15 | Louis Andujar | Signed as Free Agent | Boston Red Sox signed free agent RHP Louis Andujar to a minor league contract. |
| Jan 15 | Jhorman Bravo | Signed as Free Agent | Boston Red Sox signed free agent SS Jhorman Bravo to a minor league contract. |
| Jan 15 | Christopher Cordero | Signed as Free Agent | Boston Red Sox signed free agent RHP Christopher Cordero to a minor league contract. |
| Jan 15 | Krishan Ulacio | Signed as Free Agent | Boston Red Sox signed free agent OF Krishan Ulacio to a minor league contract. |
| Jan 15 | Miguel Welch | Signed as Free Agent | Boston Red Sox signed free agent SS Miguel Welch to a minor league contract. |
| Jan 15 | Jesus Martinez | Signed as Free Agent | Boston Red Sox signed free agent RHP Jesus Martinez to a minor league contract. |
| Jan 15 | Luis Aular | Signed as Free Agent | Boston Red Sox signed free agent SS Luis Aular to a minor league contract. |
| Jan 15 | Sadbiel Delzine | Signed as Free Agent | Boston Red Sox signed free agent RHP Sadbiel Delzine to a minor league contract. |
| Jan 15 | Hector Ramos | Signed as Free Agent | Boston Red Sox signed free agent SS Hector Ramos to a minor league contract. |
| Jan 15 | Dorian Soto | Signed as Free Agent | Boston Red Sox signed free agent SS Dorian Soto to a minor league contract. |
| Jan 15 | Stiven De La Cruz | Signed as Free Agent | Boston Red Sox signed free agent OF Stiven De La Cruz to a minor league contract. |
| Jan 15 | Williams Montero | Signed as Free Agent | Boston Red Sox signed free agent RHP Williams Montero to a minor league contract. |
| Jan 15 | Jhonny Osta | Signed as Free Agent | Boston Red Sox signed free agent OF Jhonny Osta to a minor league contract. |
| Jan 15 | Maikol Tovar | Signed as Free Agent | Boston Red Sox signed free agent OF Maikol Tovar to a minor league contract. |
| Jan 15 | Geomaikel Martinez | Signed as Free Agent | Boston Red Sox signed free agent OF Geomaikel Martinez to a minor league contract. |
| Jan 15 | Lester Suarez | Signed as Free Agent | Boston Red Sox signed free agent C Lester Suarez to a minor league contract. |
| Jan 15 | Eliezer Alfonzo | Signed as Free Agent | Boston Red Sox signed free agent SS Eliezer Alfonzo to a minor league contract. |
| Jan 15 | Gustavo Antunez | Signed as Free Agent | Boston Red Sox signed free agent OF Gustavo Antunez to a minor league contract. |
| Jan 15 | Adrian Valdez | Signed as Free Agent | Boston Red Sox signed free agent OF Adrian Valdez to a minor league contract. |
| Jan 15 | Chase Shugart | Designated for Assignment | Boston Red Sox designated RHP Chase Shugart for assignment. |
| Jan 14 | Sean Newcomb | Signed as Free Agent | Boston Red Sox signed free agent LHP Sean Newcomb to a minor league contract and invited him to spring training. |
| Jan 6 | Austin Adams | Signed as Free Agent | Boston Red Sox signed free agent RHP Austin Adams to a minor league contract. |