The 2025 Boston Red Sox season was the 125th season in Boston Red Sox franchise history, and their 114th season at Fenway Park. Alex Cora was the team's on-field manager, in the fifth season of his second stint in that role. The team opened the regular season in an away game against the Texas Rangers on March 27, and concluded at home against the Detroit Tigers on September 28.
On June 15, the Red Sox traded third baseman/designated hitter Rafael Devers to the San Francisco Giants. Devers was the last remaining player from the 2018 World Series-winning roster.
The Red Sox clinched their first postseason berth since 2021 on September 26, as they faced their longtime rivals, the New York Yankees, in the Wild Card Series. However, they were defeated by the Yankees in three games - their first postseason series loss against the Yankees since the 2003 ALCS.
The Boston Red Sox drew an average home attendance of 34,277, the 10th-highest of all MLB teams.
Offseason In September 2024, the team announced the introduction of a new "City Connect 2.0" uniform for the 2025 season. The team retained its existing City Connect uniform (yellow and blue) while retiring their blue alternate road jersey that had been in use since 2009. By late November 2024, the team had 10 players under contract for the upcoming 2025 season: Brayan Bello, Rafael Devers, Lucas Giolito, Liam Hendriks, Ceddanne Rafaela, Rob Refsnyder, Trevor Story, Garrett Whitlock, Justin Wilson, and Masataka Yoshida.
+DateRoster moveRef. October 1 The team recalled Zack Kelly, Cam Booser, Zach Penrod, Bailey Horn, Cooper Criswell from Worcester; as well as Luis Perales and Wikelman Gonzalez from Portland. The team activated Rob Refsnyder, Rafael Devers, and David Hamilton from the 10-day injured list; as well as Kenley Jansen and Brennan Bernardino from the 15 day-injured list. Reese McGuire and Yohan Ramírez, not on the 40-man roster, elected free agency. October 9 It was reported that the team dismissed six members of the coaching staff—Ben Chadwick (trainer), Andy Fox (first base/infield coach), Rey Fuentes (mental skills coach), Mani Martinez (bullpen catcher), Luis Ortiz (assistant hitting coach), and Kevin Walker (bullpen coach). October 27 The team named Dillon Lawson assistant hitting coach. October 31 Eight players elected to become free agents: pitchers Luis García, Kenley Jansen, Chris Martin, James Paxton, Nick Pivetta, and Lucas Sims along with catcher Danny Jansen and outfielder Tyler O'Neill. Pitcher Lucas Giolito exercised his option to remain with the team for the 2025 season. November 4 The team activated players still remaining on the 60-day injured list from the 2024 season, bringing the number of players on their 40-man roster to 39, and exercised their $2.1 million club option to bring Rob Refsnyder back for 2025. November 5 The team declined a qualifying offer for Tyler O'Neill for $21.05 million, making him a free agent. November 13 The team hired Chris Holt to serve as bullpen coach. November 14 The team signed free-agent pitcher Justin Wilson to a one-year contract. November 19 Nick Pivetta declined the team's qualifying offer for 2025 and elected free agency, and in advance of the Rule 5 draft, the team added pitcher Hunter Dobbins and outfielder Jhostynxon Garcia to the 40-man roster; pitchers Isaiah Campbell and Bryan Mata were designated for assignment. November 22 The team named José David Flores as first-base coach and Parker Guinn as catching instructor/bullpen catcher. December 10 The team signed free-agent pitcher Aroldis Chapman to a one-year contract. December 11 The team acquired pitcher Garrett Crochet from the Chicago White Sox in exchange for minor-league prospects Kyle Teel, Braden Montgomery, Chase Meidroth and Wikelman González, acquired catcher Carlos Narváez from the New York Yankees in exchange for minor-league pitcher Elmer Rodriguez-Cruz and international signing bonus pool money, and designated Enmanuel Valdez for assignment. December 13 The team signed free agent pitcher Robert Moreno to the minor-league contract. December 15 The team acquired minor league pitcher Joe Vogatsky from the Pittsburgh Pirates in exchange for infielder/outfielder Enmanuel Valdez. December 20 The team invited non-roster pitchers Isaiah Campbell, Wyatt Mills, Michael Fulmer and Bryan Mata to spring training. The team also invited right-fielder Nate Eaton and catcher Seby Zavala. December 21 The team acquired minor league pitcher Yhoiker Fajardo from the Chicago White Sox in exchange for pitcher Cam Booser. They also agreed to a minor league contract with Noah Davis. December 23 The team signed free-agent pitcher Patrick Sandoval to a two-year contract. December 24 The team traded catcher Mickey Gasper to the Minnesota Twins in exchange for pitcher Jovani Morán. December 27 Ceddanne Rafaela, David Hamilton, and Nick Sogard changed their numbers to 3, 17, and 20 respectively. December 28 The team signed free agent pitcher Walker Buehler to a one-year contract, later reported to be worth $21.05 million with a $3.05 million signing bonus, $15 million base salary, and a mutual option for 2026 with a $3 million buyout.
+DateRoster moveRef. January 9 The team avoid arbitration with pitchers Garrett Crochet, Tanner Houck, and Kutter Crawford, each agreeing to one-year deals, while they could not reach an agreement with outfielder Jarren Duran. January 14 The team signed free agent pitcher Sean Newcomb to a minor-league contract and invited him to spring training. January 15 The team acquired catcher Blake Sabol from the Giants in exchange for international bonus pool space. To make space for Sabol on the 40 man roster, Chase Shugart was designated for assignment. The team also signed multiple free agents to minor league contracts, and invited Robert Stock and Yovanny Cruz to spring training. January 17 The team avoided arbitration with outfielder Jarren Duran by signing him to a one-year contract with a club option for 2026, and traded pitcher Chase Shugart to the Pittsburgh Pirates in exchange for minor-league pitcher Matt McShane. January 24 The team signed catcher Mark Kolozsvary to a minor-league contract with an invitation to spring training. January 28 The team signed infielder Abraham Toro to a minor-league contract. They invited Toro, along with Nathan Hickey, Roman Anthony, Kristian Campbell, Jacob Webb, Brian Van Belle, Marcelo Mayer, and Jovani Morán, to spring training. February 15 The team signed free agent third baseman Alex Bregman. To create space on the roster, Patrick Sandoval was moved to the 60-day injured list. February 17 The team signed Trayce Thompson to a minor-league contract with an invitation to spring training. February 18 The team signed Adam Ottavino to a minor-league contract with an invitation to spring training. February 19 The team signed Matt Moore to a minor-league contract. February 21 Multiple minor-league players were assigned to the Red Sox team. February 22 Minor-league players Jose Adames, Shane Drohan and Gabriel Jackson were assigned to the Red Sox. March 23 The team released Adam Ottavino from his contract.
Spring training Spring Training non-roster inviteesPlayer Position 2024 team(s) Source Isaiah Campbell Pitcher Worcester Red Sox (AAA) Yovanny Cruz Pitcher San Antonio Missions (AA) Michael Fulmer Pitcher Worcester Red Sox (AAA) Bryan Mata Pitcher FCL Red Sox (Rookie) / Greenville Drive (High A) / Portland Sea Dogs (AA) / Worcester Red Sox (AAA) Wyatt Mills Pitcher — Matt Moore Pitcher Los Angeles Angels Jovani Morán Pitcher — Sean Newcomb Pitcher ACL Athletics (Rookie) / Las Vegas Aviators (AAA) / Oakland Athletics Adam Ottavino Pitcher New York Mets Robert Stock Pitcher — Brian Van Belle Pitcher Worcester Red Sox (AAA) Jacob Webb Pitcher Baltimore Orioles / Norfolk Tides (AAA) / Bowie Baysox (AA) Nathan Hickey Catcher Worcester Red Sox (AAA) / Portland Sea Dogs (AA) Mark Kolozsvary Catcher Worcester Red Sox (AAA) Seby Zavala Catcher Seattle Mariners / Tacoma Rainiers (AAA) Nate Eaton Infielder Omaha Storm Chasers (AAA) Abraham Toro Infielder Oakland Athletics / ACL Athletics (Rookie) / Las Vegas Aviators (AAA) Roman Anthony Outfielder Portland Sea Dogs (AA) / Worcester Red Sox (AAA) Kristian Campbell Outfielder Greenville Drive (High A) / Portland Sea Dogs (AA) / Worcester Red Sox (AAA) Marcelo Mayer Outfielder Portland Sea Dogs (AA) Trayce Thompson Outfielder Syracuse Mets (AAA) / Iowa Cubs (AAA)
The team's equipment departed Fenway Park on February 3, known as "Truck Day", in preparation for their arrival in Fort Myers, Florida to begin Spring Training.
The first workout for the pitchers and catchers was held on February 12 at Fenway South, and their first full-squad workout took place on February 17, with the pitchers and catchers set to be joined by six infielders, six outfielders, and six infielder/outfielders for a total of 60 players, including 20 non-roster invitees. On February 19, pitcher Matt Moore was signed to a minor league contract, and invited to join the team for Spring Training on February 23.
The Red Sox' first spring training game was an exhibition contest against the Northeastern Huskies at Fenway South on February 21, which ended in a 5–2 victory for the team. The team's Grapefruit League schedule ran from February 22 through March 23, during which the Red Sox compiled a 15–12 record.
They concluded spring training with two games in Monterrey, Mexico against the Monterrey Sultanes on March 24–25, and won both games by 10–1 and 12–8 respectively.
Regular season
Opening Day lineup Order No. Player Pos. 1 16 Jarren Duran LF 2 11 Rafael Devers DH 3 2 Alex Bregman 3B 4 36 Triston Casas 1B 5 10 Trevor Story SS 6 28 Kristian Campbell 2B 7 52 Wilyer Abreu RF 8 12 Connor Wong C 9 3 Ceddanne Rafaela CF — 35 Garrett Crochet P Source:
On March 26, manager Alex Cora announced that Rafael Devers would move to the designated hitter position while Alex Bregman would become the regular third baseman.
March/April
March 27–30, at Texas Rangers
The Red Sox began the season with a four-game away series against the Texas Rangers. On Opening Day, Wilyer Abreu hit two home runs in Boston's 5–2 victory. In the second game, Tanner Houck gave up four runs to Texas across his innings start to result in a 1–4 loss. On March 29, although Kristian Campbell hit his first home run in the major leagues, Walker Buehler gave up four runs and issued only three strikeouts in innings. Texas ultimately won the third game 4–3. Rookie starting pitcher Richard Fitts gave up one run through his first 5 innings in the final game of the series on March 30, before allowing two home runs by the Rangers 6th. The Rangers won the game 3–2 and took the series 3 games to 1.
Series result: Red Sox 1–3 Rangers (11–13 runs)
March 31–April 3, at Baltimore Orioles
On March 31, the Red Sox began a three-game away series against the Baltimore Orioles. Starting pitcher Sean Newcomb gave up four runs, eight hits, and two walks in 4 innings, while reliever Justin Slaten gave up another four runs in the 8th inning for an 8–5 loss. In the second game of the series, Trevor Story hit his first home run of the year, and Garrett Crochet recorded eight strikeouts with only four hits in 8 innings for a final 3–0 score, securing the team's first shutout win of the season. Tanner Houck faced Baltimore's Charlie Morton in the series finale; Houck allowed three runs, five hits, and recorded six strikeouts in 4 innings pitched, followed by reliever Zack Kelly, and Alex Bregman, Triston Casas, and Campbell each recorded home runs to earn Boston an 8–4 victory.
Series result: Red Sox 2–1 Orioles (16–12 runs)
April 4–6, vs. St. Louis Cardinals