History of Boston Red Sox in Timeline

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Boston Red Sox

The Boston Red Sox are a Major League Baseball team founded in 1901 and based in Boston. A charter franchise of the American League, they play in the AL East Division and have called Fenway Park their home since 1912. Named the "Red Sox" around 1908, the team boasts nine World Series championships, tying for third-most in MLB, with their latest victory in 2018. They also secured the 1904 American League pennant but couldn't defend their 1903 World Series title due to the New York Giants' refusal to participate in the 1904 World Series.

1900: Western League Renamed to American League

Prior to the 1900 season, Ban Johnson changed the name of the Western League to the American League.

1901: Cy Young's Triple Crown

In 1901, Cy Young won the pitching Triple Crown with 33 wins, a 1.62 ERA, and 158 strikeouts.

1901: Second Place Finish in the League

In 1901, playing at Huntington Avenue Grounds, the Boston franchise finished second in the league.

1901: American League Franchise in Boston

In 1901, the American League created a franchise in Boston, called the "Boston Americans", to compete with the National League team.

1901: Red Sox Founded

In 1901, the Boston Red Sox were founded as one of the American League's eight charter franchises.

January 1902: Ownership Change

In January 1902, C.W. Somers sold all but one share of the Boston Americans team to Henry Killilea.

1902: Jersey Details

In 1902, the Boston American League team's jerseys sported large letters "B" and "A", denoting "Boston" and "American".

1903: First American League Pennant and World Series Win

In 1903, the Boston Americans won their first American League pennant and subsequently participated in the first modern World Series against the Pittsburgh Pirates, winning the series five games to three.

1903: World Series Championship

In 1903, the Boston Red Sox won their first World Series championship.

1903: First World Series Win

In 1903, the Red Sox defeated the Pittsburgh Pirates in the first World Series.

April 1904: Team Purchased by John I. Taylor

In April 1904, John I. Taylor of Boston purchased the Boston Americans baseball team.

May 5, 1904: Cy Young throws perfect game

On May 5, 1904, Cy Young threw the franchise's first no-hitter and only perfect game against the Philadelphia Athletics.

1904: American League Pennant Win

In 1904, the Boston Red Sox won the American League pennant but were unable to defend their 1903 World Series championship due to the New York Giants' refusal to participate in the 1904 World Series.

1905: World Series Becomes Permanent Championship

In 1905, a sharp public reaction after the 1904 New York Giants declined to play any postseason series led the two leagues to make the World Series a permanent championship.

1906: Lost Season

In 1906, the Boston Americans lost 105 games and finished last in the league.

December 1907: Pilgrims Nickname Rejected

In December 1907, John I. Taylor said that the Pilgrims nickname "sounded too much like homeless wanderers."

December 1907: Proposed Name Change

In December 1907, team owner Taylor proposed that the Boston Americans change their name to the Boston Red Sox.

December 18, 1907: Red Officially Adopted as Team Color

On December 18, 1907, Taylor announced that the club had officially adopted red as its new team color.

1907: Red Sox Name Origin

After the 1907 season, owner John I. Taylor chose the name Red Sox, which refers to the red hose in the team uniform.

1908: Red Sox Name Chosen

Around 1908, team owner John I. Taylor chose the name "Red Sox" for the team, following the example of previous "Boston Red Stockings" teams.

1908: Red Hose in Team Uniform

In 1908, the Red Sox team uniform began to feature red hose.

1908: Red Stocking Icon on Uniforms

In 1908, the Red Sox uniforms featured a large icon of a red stocking across the shirt front.

1909: Third Place Season

By 1909, center fielder Tris Speaker had become a fixture in the Boston outfield, and the team finished the season in third place.

1912: Fenway Park Becomes Home Ballpark

In 1912, Fenway Park became the home ballpark for the Boston Red Sox.

1912: Franchise record of 105 wins in 1912

In 1912, The Red Sox's old franchise record of 105 wins was set in 1912.

1912: Braves Nickname Adopted

In 1912, the Boston National League team officially adopted the nickname "Braves."

1912: Red Sox Win Pennant and World Series

In 1912, the Red Sox won 105 games and the pennant, then beat the New York Giants 4–3–1 in the World Series.

1913: Joseph Lannin Ownership

From 1913 the Red Sox were owned by Joseph Lannin.

1914: Babe Ruth Signed

In 1914, Joseph Lannin signed a young up-and-coming pitcher named Babe Ruth from the Baltimore Orioles.

1915: World Series Win

In 1915, the Red Sox won 101 games and the World Series, where they beat the Philadelphia Phillies four games to one.

1916: Frazee Buys the Red Sox

In 1916, Harry Frazee bought the Red Sox from Joseph Lannin for about $675,000.

1916: World Series Victory

In 1916, the Red Sox went on to win the World Series, defeating the Brooklyn Robins.

December 18, 1918: Trade with the Yankees

On December 18, 1918, outfielder Duffy Lewis, pitcher Dutch Leonard and pitcher Ernie Shore were traded to the Yankees for pitcher Ray Caldwell, Slim Love, Roxy Walters, Frank Gilhooley and $15,000.

1918: World Series Championship

In 1918, Babe Ruth led the team to another World Series championship over the Chicago Cubs.

1918: First World Series clinched at Fenway Park since 1918

In 1918, the Red Sox last clinched the World Series at home in Fenway Park. The team clinched the 2013 World Series at home, marking the first time since 1918.

1918: Another Championship and the "Curse of the Bambino" Begins

In 1918, the Red Sox won another championship. After the 1918 win, they entered a long championship drought, later known as the "Curse of the Bambino," allegedly caused by the sale of Babe Ruth.

1918: Eve of the first game of the 1918 World Series

In 1918, the numbers hung on the right-field facade marked the eve of the first game of the 1918 World Series.

1918: Yankees Fans Chant

In 1990, Yankee fans used 1918 as a taunt against the Red Sox.

July 1919: Mays Traded to Yankees

In July 1919, pitcher Carl Mays quit the team and was then traded to the Yankees for Bob McGraw, Allan Russell and $40,000.

December 1919: My Lady Friends Opens on Broadway

In December 1919, the non-musical stage play called My Lady Friends, which had been financed by Ruth's sale to the Yankees, opened on Broadway.

December 26, 1919: Babe Ruth Sold to Yankees

On December 26, 1919, the team sold Babe Ruth to the New York Yankees.

January 6, 1920: Sale of Babe Ruth Announced

On January 6, 1920, the sale of Babe Ruth to the New York Yankees was announced.

December 1920: Trade with Yankees

In December 1920, Wally Schang, Waite Hoyt, Harry Harper and Mike McNally were traded to the Yankees for Del Pratt, Muddy Ruel, Hank Thormahlen, Sammy Vick.

July 23, 1922: Dugan and Smith Traded to Yankees

On July 23, 1922, Joe Dugan and Elmer Smith were traded to the Yankees for Elmer Miller, Chick Fewster, Johnny Mitchell, and Lefty O'Doul.

1923: Herb Pennock Traded to Yankees

In 1923, Herb Pennock was traded by the Red Sox to the Yankees for Camp Skinner, Norm McMillan, and George Murray.

1923: Frazee sells Red Sox to Bob Quinn

In 1923, the losses for the Boston Red Sox increased after Frazee sold the team to Bob Quinn.

1925: No, No, Nanette Opens on Broadway

In 1925, the Broadway musical No, No, Nanette opened, which was believed to be financed by the sale of Babe Ruth.

1931: Earl Webb sets doubles record

In 1931, Earl Webb set the all-time mark for most doubles in a season with 67.

1931: Jersey numbers issued

In 1931, jersey numbers started being issued to Red Sox players.

1932: Red Sox record worst season in franchise history

In 1932, the Boston Red Sox bottomed out with a record of 43–111, which is still the worst record in franchise history.

1933: Tom Yawkey buys the team

In 1933, Tom Yawkey bought the Boston Red Sox and acquired pitchers Wes Ferrell and Lefty Grove, shortstop and manager Joe Cronin, and first baseman Jimmie Foxx.

1938: Jimmie Foxx sets home run and runs record

In 1938, Jimmie Foxx hit 50 home runs, which stood as a Boston Red Sox club record for 68 years. That year Foxx also set a club-record of 175 runs.

1939: Red Sox purchase Ted Williams' contract

In 1939, the Boston Red Sox purchased the contract of outfielder Ted Williams from the minor league San Diego Padres of the Pacific Coast League.

1941: Ted Williams bats .406

In 1941, Ted Williams became the last player to hit over .400 for a full season, batting .406.

1942: 1942 Toronto Maple Leafs Comeback

The Red Sox joined the 1942 Toronto Maple Leafs and the 1975 New York Islanders as the only North American professional sports teams in history at the time to win a best-of-seven games series after being down 3–0.

1946: Enos Slaughter's "Mad Dash"

In 1946, Enos Slaughter's "mad dash" was one of the memorable moments in World Series history.

1946: Surpassed the 100-win mark for the first time since 1946

In 1946, The Red Sox surpassed the 100-win mark for the first time since 1946.

1946: Red Sox lose World Series to Cardinals

In 1946, with Ted Williams, the Boston Red Sox reached the World Series but lost to the St. Louis Cardinals in seven games, partially due to the use of the "Williams Shift".

1946: Cardinals win 1946 World Series

The St. Louis Cardinals won the 1946 World Series when Enos Slaughter scored the go-ahead run all the way from first base on a base hit to left field.

1948: Red Sox lose AL pennant in a one-game playoff

In 1948, the Boston Red Sox finished in a tie with Cleveland, and their loss to Cleveland in a one-game playoff ended hopes of an all-Boston World Series.

1949: Red Sox lose AL pennant to Yankees

In 1949, the Boston Red Sox were one game ahead of the New York Yankees, with the only two games left for both teams being against each other, and they lost both of those games.

1953: Ted Williams returns from Korean War

In 1953, Ted Williams returned to the Boston Red Sox after serving in the Korean War.

1955: Frank Malzone debuts

In 1955, Frank Malzone debuted at third base for the Boston Red Sox.

1957: Ted Williams hits .388 at 38

In 1957, Ted Williams hit .388 at the age of 38 for the Boston Red Sox.

1959: Pumpsie Green integrates the Red Sox

In 1959, the Boston Red Sox finally became the last Major League team to field an African American player when they promoted infielder Pumpsie Green from their AAA farm team.

1960: Ted Williams retires

Ted Williams retired at the end of the 1960 season, famously hitting a home run in his final at-bat.

1961: Carl Yastrzemski debuts

In 1961, Carl "Yaz" Yastrzemski debuted for the Boston Red Sox, becoming Williams' replacement in left field.

1964: Tony Conigliaro slugs 24 home runs

In 1964, Tony Conigliaro slugged 24 home runs for the Boston Red Sox.

1965: Worst Season Since 1965

In 1965, the Red Sox had their worst season until the 2012 season.

1966: Red Sox finish in ninth place

In 1966, the Boston Red Sox finished the season in ninth place before their "Impossible Dream" season in 1967.

1966: Red Sox post worst record since 1966

In 1983, the Boston Red Sox posted their worst record since 1966.

August 18, 1967: Tony Conigliaro is hit by pitch

On August 18, 1967, Tony Conigliaro was struck just above the left cheek bone by a fastball thrown by Jack Hamilton of the California Angels.

1967: Red Sox win AL pennant

In 1967, during the season of the "Impossible Dream", the Boston Red Sox won the AL pennant after finishing ninth place in 1966. Carl Yastrzemski won the American League Triple Crown.

1967: "Impossible Dream" of 1967

The "Impossible Dream" took place in 1967, marking one of the memorable moments in Red Sox history.

1970: Tony Conigliaro has a productive season

In 1970, Tony Conigliaro had a productive season for the Boston Red Sox after recovering from being hit by a pitch in 1967.

1970: Conigliaro's last full season

In 1970, Tony Conigliaro played his last full season in Boston.

1971: Vida Blue wins Cy Young and MVP

In 1986, Roger Clemens became the first starting pitcher since Vida Blue in 1971 to win both the American League Cy Young and Most Valuable Player awards.

1972: Red Sox lose division by half-game

In 1972, the Boston Red Sox lost the AL East division title by a half-game to the Detroit Tigers.

1975: Carlton Fisk's Home Run

In 1975, Carlton Fisk's home run was one of the memorable moments in World Series history.

1975: Game 6 of the 1975 World Series

In 1975, Game 6 of the World Series between the Boston Red Sox and the Cincinnati Reds is considered among the greatest games in postseason history. Carlton Fisk hit a game-winning home run in the 12th inning.

1975: Red Sox lose World Series Game 7

In 1975, the Boston Red Sox lost game 7 of the World Series to the Cincinnati Reds 4-3, despite having an early 3-0 lead.

1975: Red Sox win AL Pennant

In 1975, the Boston Red Sox won the AL pennant. Fred Lynn won both the American League Rookie of the Year award and the Most Valuable Player award.

1975: 1975 New York Islanders Comeback

The Red Sox joined the 1942 Toronto Maple Leafs and the 1975 New York Islanders as the only North American professional sports teams in history at the time to win a best-of-seven games series after being down 3–0.

1976: Tom Yawkey Dies

In 1976, Tom Yawkey died and his wife Jean R. Yawkey took control of the team.

May 26, 1978: Reorganization as Limited Partnership

On May 26, 1978, the Boston Red Sox reorganized as a limited partnership.

1978: Red Sox and Yankees in tight pennant race

In 1978, the Boston Red Sox and the New York Yankees were involved in a tight pennant race. The Yankees were 14+1⁄2 games behind the Red Sox in July, and on September 10, after completing a 4-game sweep of the Red Sox (known as "The Boston Massacre"), the Yankees tied for the divisional lead.

1980: Lou Gorman becomes VP for the Mets

From 1980 to 1983, Red Sox General Manager Lou Gorman was vice-president, player personnel, of the New York Mets.

1983: Carl Yastrzemski retires

Carl Yastrzemski retired after the 1983 season, during which the Boston Red Sox finished sixth in the seven-team AL East.

1983: Lou Gorman ends tenure with Mets

In 1983, Red Sox General Manager Lou Gorman ended his tenure as vice-president, player personnel, of the New York Mets.

1986: Bill Buckner's Error

In 1986, Bill Buckner's error was one of the memorable moments in World Series history.

1986: Roger Clemens wins Cy Young and MVP

In 1986, Roger Clemens led the Boston Red Sox pitching staff, going 24–4, and won both the American League Cy Young and Most Valuable Player awards.

1986: Red Sox lose Game 6 of World Series to Mets

In 1986, the Boston Red Sox faced the New York Mets in the World Series. Game 6 became one of the most devastating losses in club history, with the Mets scoring runs in the 8th and 10th innings to win.

1986: Postseason Losing Streak

In 1995, the Red Sox postseason losing streak reached 13 straight games, dating back to the 1986 World Series.

1988: Red Sox return to Postseason; Manager Fired

In 1988, the Red Sox returned to the postseason. Midway through the season, on July 15th, manager John McNamara was fired and replaced by Joe Morgan. The team then surged to the AL East title but were swept by the Oakland Athletics in the ALCS.

1990: Yankees Fans Taunt Red Sox; Bucky Dent Fired

In 1990, Yankees fans started chanting "1918!" to taunt the Red Sox. Also in June, the Yankees fired Bucky Dent as their manager during a four-game series sweep by the Red Sox at Fenway Park.

1990: Yankees fire Bucky Dent as manager at Fenway Park

In 1990, the Boston Red Sox got retribution when the New York Yankees fired Bucky Dent as their manager during a series at Fenway Park.

1990: Red Sox win Division; Face Athletics in ALCS

In 1990, the Red Sox won the division again and faced the Athletics in the ALCS, but were swept in four straight games.

1991: First Team Since 1991

In 1991, the Minnesota Twins were the first team to win the World Series a year after finishing in last place, the Red Sox became the second overall in 2013.

1992: Jean R. Yawkey Dies

In 1992, Jean R. Yawkey died, and control of the team passed to the Yawkey Trust.

1993: Clemens' Mediocre Seasons

After Roger Clemens turned 30, he had four seasons, 1993-96, which were mediocre by his standards, leading to speculation about his career.

1994: Dan Duquette Replaces Lou Gorman

In 1994, Dan Duquette replaced Lou Gorman as General Manager of the Red Sox.

1995: Troy O'Leary wears number 25

In 1995, Troy O'Leary started wearing Tony Conigliaro's number 25.

1995: AL East Title

In 1995, the Red Sox captured their first AL East title since 1995, marking a significant achievement for the team.

1995: Red Sox win AL East; Swept in ALDS

In 1995, the Red Sox won the AL East, but were swept in three games in the ALDS by the Cleveland Indians.

1995: Team Hall of Fame maintained

Since 1995, the team has maintained its own hall of fame, recognizing distinguished careers of former uniformed and non-uniformed team personnel.

September 18, 1996: Roger Clemens Ties Strikeout Record

On September 18, 1996, Roger Clemens tied his major league record by striking out 20 Detroit Tigers in one of his final appearances in a Red Sox uniform.

1997: Number 42 retired by MLB

In 1997, Major League Baseball officially retired the number 42.

1997: Losing Season Since 1997

In 1997, the Red Sox had their previous losing season before the 2012 season.

1997: Red Sox Trade Heathcliff Slocumb

In 1997, the Red Sox traded Heathcliff Slocumb to Seattle for Jason Varitek and Derek Lowe.

1998: Mo Vaughn's last year wearing number 42

In 1998, Mo Vaughn last wore the number 42 for the team due to a grandfather clause after it was retired by MLB in 1997.

1998: One of the best baseball teams since the 1998 New York Yankees

In 1998, the 2018 Red Sox are considered one of the best baseball teams since the 1998 New York Yankees.

1998: Red Sox Acquire Pedro Martinez; Lose to Indians

Prior to the start of the 1998 season, the Red Sox traded for Pedro Martínez. The team won the American League Wild Card but lost the American League Division Series to the Indians.

1999: Duquette Calls Fenway Park Economically Obsolete

In 1999, Dan Duquette called Fenway Park "economically obsolete" and led a push for a new stadium with Red Sox ownership.

1999: Red Sox Defeat Indians in ALDS; Lose ALCS to Yankees

In 1999, the Red Sox overturned their fortunes against the Indians in the American League Division Series, winning after being down 2-0. They then lost the American League Championship Series to the Yankees.

2000: Manny Ramirez signs with Red Sox

After the 2000 season, Dan Duquette spent money on free agents, notably an 8-year, $160 million deal for Manny Ramírez.

2000: Failed World Series Repeat

In 2000, the Red Sox were one of the teams that failed to repeat as World Series champions.

2001: Ichiro Suzuki wins AL Rookie of the Year and MVP

In 2001, Ichiro Suzuki duplicated Fred Lynn's 1975 feat by winning both the American League Rookie of the Year award and the Most Valuable Player award.

2001: Won the most games of any MLB team since the 2001 Seattle Mariners

In 2001, The Red Sox won the most games of any MLB team since the 2001 Seattle Mariners won 116.

2001: Troy O'Leary's last year wearing number 25

In 2001, Troy O'Leary stopped wearing Tony Conigliaro's number 25.

2002: Dwight Evans wears number 25

In 2002, coach Dwight Evans started wearing Tony Conigliaro's number 25.

2002: Team Sold by Yawkey Trust

In 2002, the Red Sox were sold by the Yawkey Trust, concluding 70 years of Yawkey ownership.

2002: Red Sox Sold to New England Sports Ventures; Changes in Management

In 2002, the Red Sox were sold to New England Sports Ventures. Dan Duquette was fired as GM, Mike Port took the helm, and Joe Kerrigan was fired and replaced by Grady Little as manager.

May 15, 2003: Start of Home Game Sellout Streak

On May 15, 2003, the Red Sox began a streak of selling out every home game.

2003: Red Sox Acquire Curt Schilling, Keith Foulke, Doug Mientkiewicz, Orlando Cabrera and Dave Roberts

During the 2003-04 offseason, the Red Sox acquired Curt Schilling and Keith Foulke. At the July 31 trading deadline as part of a four-team trade, the Red Sox acquired Doug Mientkiewicz and Orlando Cabrera and Dave Roberts. Players and fans affectionately referred to the players as "the Idiots".

2003: "Cowboy Up" Team; ALDS Win; ALCS Loss to Yankees

In 2003, the Red Sox, known as the "Cowboy Up" team, rallied to win the ALDS against the Athletics. However, they lost the ALCS to the Yankees in a dramatic Game 7.

2004: Terry Francona Hired as Manager

Following the 2003 season, Terry Francona was hired to manage the 2004 season.

2004: World Series Championship

In 2004, David Ortiz was on the active playoff roster of the World Series championship team.

2004: Red Sox Win World Series

In 2004, the Red Sox swept the St. Louis Cardinals in the World Series, winning their first championship in 86 years. Manny Ramírez was named World Series MVP.

2005: Yankees Win AL East; Red Sox Swept in Playoffs

In 2005, the Yankees won the AL East, and the Red Sox were swept in the first round of the playoffs by the Chicago White Sox.

2006: David Ortiz Breaks Home Run Record; Red Sox Miss Playoffs

In 2006, David Ortiz broke Jimmie Foxx's single-season Red Sox home run record by hitting 54 homers. However, the Red Sox failed to make the playoffs.

September 1, 2007: Clay Buchholz throws no-hitter

On September 1, 2007, Clay Buchholz threw a no-hitter against the Baltimore Orioles in his second Major League start.

2007: World Series Championship

In 2007, David Ortiz was on the active playoff roster of the World Series championship team.

2007: Jackie Robinson Day

In 2007, MLB invited players to wear the number 42 for games played on April 15 in commemoration of Jackie Robinson Day; Coco Crisp (CF), David Ortiz (DH), and DeMarlo Hale (Coach) did so.

2007: 2007 World Series Victory

In 2007, the Red Sox swept the Colorado Rockies in the World Series, securing their second title in four years. Mike Lowell was named the World Series MVP.

2007: Red Sox Win Bid for Daisuke Matsuzaka

On November 14, 2007, MLB announced that the Boston Red Sox had won the bid for the rights to negotiate a contract with Japanese pitcher Daisuke Matsuzaka for $51.1 million and completed a 6-year, $52 million contract.

May 19, 2008: Jon Lester throws no-hitter

On May 19, 2008, Jon Lester threw a no-hitter against the Kansas City Royals.

2008: Jackie Robinson Day

In 2008, MLB invited players to wear the number 42 for games played on April 15 in commemoration of Jackie Robinson Day; Coco Crisp (CF), David Ortiz (DH), and DeMarlo Hale (Coach) did so.

2008: Manny Ramirez Trade & AL Wild Card Berth

In 2008, the Red Sox traded Manny Ramirez to the Dodgers and acquired Jason Bay. Despite being down 0-7 against Tampa Bay Rays, Boston mounted a comeback to win 8-7. The Red Sox ultimately failed to repeat as World Series champions.

2009: ALDS Loss

In 2009, the Red Sox made it to postseason play, but were swept in the ALDS by the Los Angeles Angels.

2009: All players wear number 42 for Jackie Robinson Day

Starting in 2009, MLB had all uniformed players for all teams wear number 42 for Jackie Robinson Day.

2010: Third Place Finish

In 2010, the Red Sox placed third in their division and did not make the playoffs.

2010: 2010 Philadelphia Flyers Comeback

The Red Sox joined the 1942 Toronto Maple Leafs and the 1975 New York Islanders as the only North American professional sports teams in history at the time to win a best-of-seven games series after being down 3–0. (The 2010 Philadelphia Flyers and the 2014 Los Angeles Kings would later accomplish the feat).

September 2011: September Collapse

In September 2011, the Red Sox collapsed, becoming the first team in MLB history to blow a 9-game lead in the division, ultimately failing to make the playoffs.

December 2011: Bobby Valentine Hired

In December 2011, Bobby Valentine was hired as the new manager of the Red Sox.

2012: Miguel Cabrera wins the Triple Crown

In 2012, Miguel Cabrera became the first player since Carl Yastrzemski in 1967 to accomplish the Triple Crown, winning the American League Triple Crown.

2012: Bobby Valentine wears number 25

In 2012, manager Bobby Valentine started wearing Tony Conigliaro's number 25.

2012: Fenway Park Centennial and Losing Season

In 2012, the Red Sox celebrated the centennial of Fenway Park, but struggled throughout the season, finishing with their first losing season since 1997 and their worst since 1965.

2012: Finished Last in American League East

In 2012, the Red Sox finished last in the American League East.

2012: Numbers rearranged on facade

In 2012, the retired numbers on the right-field facade were rearranged in chronological order of retirement.

April 10, 2013: End of Home Game Sellout Streak

On April 10, 2013, the Red Sox's streak of selling out every home game ended after 820 games.

April 15, 2013: Boston Marathon Bombing

On April 15, 2013, the Boston Marathon bombing occurred, leading to a close association between the Red Sox and the city throughout the season.

September 20, 2013: AL East Division Title

On September 20, 2013, the Red Sox clinched the American League East division title, completing a worst-to-first turnaround.

September 28, 2013: Securing Home Field Advantage

On September 28, 2013, the Red Sox secured home field advantage throughout the American League playoffs after the Oakland Athletics lost.

2013: World Series Championship

In 2013, David Ortiz was on the active playoff roster of the World Series championship team.

2014: 2014 Los Angeles Kings Comeback

The Red Sox joined the 1942 Toronto Maple Leafs and the 1975 New York Islanders as the only North American professional sports teams in history at the time to win a best-of-seven games series after being down 3–0. (The 2010 Philadelphia Flyers and the 2014 Los Angeles Kings would later accomplish the feat).

September 12, 2015: David Ortiz Hits 500th Home Run

On September 12, 2015, David Ortiz hit his 500th career home run off Matt Moore, becoming the 27th player in MLB history to reach that milestone.

November 2015: David Ortiz Announces Retirement

In November 2015, David Ortiz announced that the 2016 season would be his last.

2015: First time missing playoffs since 2015

In 2015, the Red Sox previously missed the playoffs until 2019

2016: AL East Title and ALDS Loss

In 2016, the Red Sox had a record of 93-69 and won their division, with six All-Stars, and Rick Porcello winning the AL Cy Young Award, but they were swept in the ALDS by the Cleveland Indians.

2017: David Ortiz's number 34 retired

In 2017, David Ortiz had his number 34 retired by the Red Sox, less than eight months after playing the final game of his career.

2017: Alex Cora Named in Astros Sign Stealing Scandal

In 2017, the Red Sox and manager Alex Cora mutually parted ways after he was named in the MLB's report about the Houston Astros sign stealing scandal, which occurred during his tenure as bench coach with the 2017 Astros.

2017: Division Champions and ALDS Loss; John Farrell Fired

In 2017, the Red Sox repeated as division champions with a 93-69 record, but were eliminated by the Houston Astros in the ALDS. John Farrell was fired and replaced by Alex Cora.

October 8, 2018: Brock Holt hits for the cycle in the postseason

On October 8, 2018, Brock Holt became the first player in MLB history to hit for the cycle in the postseason, doing so in a 16–1 win over the New York Yankees in Game 3 of the 2018 American League Division Series.

2018: Franchise Record for wins

In 2018, The Red Sox finished with a 108–54 record, winning the American League East division title, breaking the franchise record of 105 wins that had been set in 1912 and surpassing the 100-win mark for the first time since 1946

2018: World Series Win

In 2018, the Boston Red Sox last won the World Series.

2018: Fourth World Series Trophy in the 21st Century

In 2018, the Boston Red Sox won their fourth World Series trophy in the 21st century.

2018: Sign stealing allegations of 2018 season

In 2018, the Red Sox allegedly used their video replay room to steal signs.

2018: Retaining most players from the 2018 championship team

In 2018, the Red Sox retained most players from the 2018 championship team.

2018: Record Breaking Season

In 2018, the Red Sox won 108 games. This win stood as the club record.

2019: Missed Playoffs and Dombrowski Dismissal

In 2019, despite retaining most players from the 2018 championship team, the Red Sox won 24 fewer games, missed the playoffs, and dismissed President of Baseball Operations Dave Dombrowski.

January 7, 2020: Sign Stealing Allegations

On January 7, 2020, The Athletic reported that the Red Sox used their video replay room to steal signs during their 2018 season.

2021: Roenicke would not return as manager for the 2021 season

In 2021, management announced that Roenicke would not return as manager for the 2021 season.

2021: Farm system structure

Since the 2021 season, Boston's farm system has consisted of six minor league affiliates, fielding seven minor league teams.

2022: David Ortiz elected to Hall of Fame

In 2022, David Ortiz was elected to the Hall of Fame in his first year of eligibility.

2024: All-Time Regular-Season Record

As of the end of the 2024 season, the franchise's all-time regular-season record is 9,955–9,263–83 (.518).