History of Houston Astros in Timeline

Share: FB Share X Share Reddit Share Reddit Share
Houston Astros

The Houston Astros are a professional baseball team based in Houston, Texas. They compete in Major League Baseball (MLB) as a member of the American League (AL) West division. Prior to 2013, they were part of the National League (NL) for 51 seasons. They are one of two major league teams in Texas, sharing their division with the Texas Rangers.

1914: Boston Braves Win World Series

The 1914 Boston Braves won the World Series, becoming a historical reference point for the Astros' 2005 playoff qualification after being significantly under .500.

1951: Warren C. Giles' NL Presidency Begins

Warren C. Giles became the president of the National League in 1951.

1952: Attempt to Purchase St. Louis Cardinals

In 1952, there was an attempt by a group in Houston to purchase the St. Louis Cardinals for $4.25 million.

1956: Don Larsen's Perfect Game

In 1956, Don Larsen pitched a perfect game for the New York Yankees in the World Series, a remarkable achievement in baseball history.

August 1960: Continental League Folds

The Continental League, a proposed rival to the existing MLB leagues, folded in August 1960.

October 17, 1960: National League Grants Expansion Franchise

The National League granted an expansion franchise to the Houston Sports Association on October 17, 1960.

January 17, 1961: Purchase of Houston Buffaloes

On January 17, 1961, the Houston Sports Association purchased the minor league Houston Buffaloes.

1961: Team Naming and Expansion Draft

In 1961, the team was named the Colt .45s, and the first team was formed largely through an expansion draft.

1961: Transition from Houston Buffaloes

Several personnel from the Houston Buffaloes transitioned to the new major league franchise in 1961.

1961: End of Houston Buffaloes Era

The era of the Houston Buffaloes, Houston's professional baseball club from 1888 to 1961, came to an end.

April 10, 1962: Colt .45s Inaugural Game

On April 10, 1962, the Colt .45s played their first game against the Chicago Cubs, with Harry Craft managing the team. Bob Aspromonte scored the team's first run. While they started strong with a three-game sweep, the team finished eighth in the National League.

1962: Houston Colt .45s Founding

Bill Giles was one of the founders of the Houston Colt .45s baseball team in 1962.

1962: MLB Comes to Houston

Major League Baseball arrived in Houston in 1962 with the establishment of the Houston Colt .45s.

1962: Beginning of Astros' Record Keeping

The Astros' all-time record began to be tracked in 1962.

1962: Houston Colt .45s Join the National League and name change

The Houston Colt .45s were established and joined the National League as an expansion team in 1962.

1962: Start of Play in the NL

The Houston Colt .45s were set to begin play in the National League in the 1962 season.

1963: Young Talent Emerges

In 1963, future stars Jimmy Wynn, Rusty Staub, and Joe Morgan debuted with the Colt .45s, but the team finished ninth in the National League.

December 1, 1964: Name Change to Astros

On December 1, 1964, the team officially changed its name from the Colt .45s to the Astros, reflecting Houston's role in the space program.

1964: End of Harry Craft's Managerial Tenure

Harry Craft's time as the team's manager ended in 1964.

1964: Jim Umbricht's Passing and Legacy

The year 1964 began with the loss of pitcher Jim Umbricht to cancer. He was honored posthumously in 1965 when the Colt .45s retired his number, 32.

1965: Honoring Umbricht

In 1965, the Colt .45s retired Jim Umbricht's number, 32, following his passing in 1964.

1965: Astros Name Change and Astrodome Move

In 1965, the Colt .45s were renamed the Astros and moved to the Astrodome. The team adopted new uniforms with a "shooting star" design, featuring "Astros" in navy with orange trim on the home uniforms and an updated cap with an orange star and "H."

1965: Astrodome Opens

The Astros moved into the Astrodome in 1965. Despite the new "Eighth Wonder of the World," the team continued to struggle on the field, finishing ninth.

1966: Astroturf Introduced

In 1966, the Astrodome introduced Astroturf, an artificial playing surface, due to difficulties growing natural grass indoors.

1966: A Season of Promise and Setbacks

The 1966 season began with promise for the Astros under new manager Grady Hatton, but injuries to key players like Jimmy Wynn and Joe Morgan derailed their success.

1967: Mathews, Wilson, and Wynn Shine

In 1967, Eddie Mathews joined the Astros and hit his 500th home run. Don Wilson pitched a no-hitter, and Jimmy Wynn set club records for home runs and RBIs. Despite these highlights, the Astros finished ninth.

1967: Spec Richardson Returns as GM

Spec Richardson resumed his role as general manager for the Astros in 1967.

April 15, 1968: Epic Pitching Duel

On April 15, 1968, the Astros and Mets played a 24-inning game featuring a memorable pitching duel between Don Wilson and Tom Seaver.

1969: Move to the NL West Division

In 1969, the Astros moved to the NL West division.

1969: Trades, Triumphs, and .500 Ball

The Astros underwent significant roster changes in 1969, including trades involving Rusty Staub and Donn Clendenon. Don Wilson pitched his second no-hitter. The team achieved a .500 record for the first time.

1969: Warren C. Giles' NL Presidency Ends

Warren C. Giles concluded his term as the president of the National League in 1969.

1970: Cedeño's Arrival and Offensive Improvement

César Cedeño joined the Astros in 1970 and made an immediate impact. While the team's batting improved, pitching struggles led to a fourth-place finish.

November 1971: Blockbuster Trade with Cincinnati Reds

In November 1971, the Astros traded key players Joe Morgan, Denis Menke, Jack Billingham, César Gerónimo, and Ed Armbrister to the Cincinnati Reds for Lee May, Tommy Helms, and Jimmy Stewart.

1971: 1971-1975 A's Division Title Streak

Between 1971 and 1975, the Oakland Athletics won five consecutive division titles, a feat the Astros matched between those years.

1971: Astros' Season and Player Performances

In 1971, the Astros had a slow start with declining pitching and hitting averages. Larry Dierker was selected for the All-Star Game but couldn't participate due to injury. César Cedeño led the team with 81 RBIs and the league with 40 doubles. J.R. Richard debuted in September.

1971: Astros Uniform Color Inversion

In 1971, the Astros inverted their uniform colors, swapping navy for orange and orange for light blue. Player last names were added to jerseys.

1971: Start of Oakland Athletics' AL West Dominance

The Oakland Athletics began their streak of four consecutive AL West division titles in 1971.

1972: Impact of the Trade

Following the trade in 1971, the Reds, bolstered by the new acquisitions, became the National League Pennant winners in 1972, while the Astros faced criticism for the perceived imbalance of the trade.

1972: Astros' First Winning Season

In 1972, powered by strong performances from Lee May, Wynn, Rader, and Cedeño, the Astros achieved their first winning season with a record of 84-69. Cedeño also hit for the cycle, a first in Astros history.

1972: First Winning Record

The Astros achieved their first winning record in 1972.

1972: Uniform Fabric and Style Change

The Astros updated their uniforms in 1972, switching to polyester, adding elastic waistbands, and replacing buttons with zippers.

1973: Astros' Season Performance

Despite strong offensive performances from players like Lee May, Cesar Cedeño, and Bob Watson in 1973, injuries to the pitching staff led to an 82-80 record and a fourth-place finish.

1974: Milo Hamilton Calls Hank Aaron's 715th Home Run

Milo Hamilton called Hank Aaron's historic 715th home run in 1974.

January 5, 1975: Don Wilson's Death

Astros pitcher Don Wilson died on January 5, 1975, at age 29 from carbon monoxide asphyxiation.

April 13, 1975: Don Wilson's Number Retirement

The Astros retired Don Wilson's number 40 on April 13, 1975, following his death earlier that year.

1975: Rainbow Uniform Public Reception

In 1975, the Astros' rainbow uniforms, while panned by critics, were popular with the public and inspired similar designs at other levels of baseball.

1975: End of Spec Richardson's GM Tenure

Spec Richardson concluded his tenure as general manager in 1975.

1975: Astros' Worst Season

The Astros had one of their worst seasons in 1975, finishing with a 64-97 record, the worst in franchise history until 2011. Manager Preston Gómez was fired and replaced by Bill Virdon.

1975: Introduction of New Uniforms

The Astros introduced a drastically new uniform in 1975, featuring a solid block of yellow, orange, and red stripes from the chest down, a large dark blue star over the midsection, and player numbers on the pant legs.

1975: End of Oakland Athletics' AL West Dominance

The Oakland Athletics' run of four straight AL West division titles ended in 1975.

1976: Astros' Improvement under Virdon

In 1976, under new manager Bill Virdon, the Astros improved significantly, finishing in third place with an 80-82 record, thanks to strong performances from players like César Cedeño, Bob Watson, and José Cruz.

1976: Loel Passe Retires from Broadcasting

Loel Passe retired from broadcasting in 1976.

April 1977: Introduction of Chester Charge

In April 1977, the Astros introduced their first mascot, Chester Charge, a Texas cavalry soldier on a horse.

1977: Astros Maintain Third Place

The Astros continued their improved performance in 1977, again finishing in third place with an 81-81 record.

May 1979: John McMullen Buys the Astros and Ken Forsch's No-Hitter

In May 1979, John McMullen purchased the Astros. Ken Forsch threw a no-hitter against the Braves early in the season, giving the team a positive start.

1979: Dick Wagner Joins Astros

Following Al Rosen and Bob Lillis's departures after the 1985 season, Dick Wagner, who had led the Reds to victory over the Astros in the 1979 NL West, became the Astros' new general manager.

1980: 1980 Astros Roster Changes

By 1982, the Astros roster had undergone significant changes from the 1980 team, with only a few players remaining. This marked the start of a rebuilding phase for the team.

1980: First Playoff Appearance

In 1980, the Astros made their first appearance in the playoffs.

1980: Modification of Rainbow Uniforms

In 1980, the Astros modified the rainbow uniforms, moving the rainbow design to the sleeves and initially using it for road games.

1980: End of Rainbow Uniform Era

In 1980, the Astros retired their rainbow uniforms, which had been used both at home and on the road since their introduction in 1975.

1980: 1980 NLCS: Astros vs. Phillies

In 1980, the Houston Astros faced the Philadelphia Phillies in the National League Championship Series (NLCS). The Phillies won the first game 3-1, despite the Astros taking an early lead. Ken Forsch pitched well for the Astros, but Greg Luzinski's two-run homerun proved decisive.

1980: J.R. Richard's Stroke and Joe Morgan's Return

The 1980 season saw the return of Joe Morgan and a strong pitching staff. However, J.R. Richard suffered a stroke, ending his promising career, despite a strong start to the season.

1980: Debut of Cleaner Uniform

The Astros debuted a cleaner uniform design in 1980, moving the rainbow pattern to the sleeves.

1980: Astros Win NL West

The Astros won the National League West division title in 1980.

1981: 1981 MLB Strike and Astros Playoff Run

A player strike in 1981 significantly impacted the MLB season. The Astros benefited from strong performances by Nolan Ryan, who threw his fifth no-hitter, and Bob Knepper. They reached the playoffs as winners of the second half of the season but lost to the Los Angeles Dodgers in the divisional series.

1982: Astros Begin Rebuilding Phase

In 1982, the Astros began a rebuilding process after falling out of contention. Bill Virdon was replaced by Bob Lillis as manager, and several player transactions were made, including trading Don Sutton and acquiring Kevin Bass. Bill Doran was also called up in September.

1982: Rainbow Shoulder Look and Fabric Change

In 1982, the Astros started wearing the rainbow shoulder uniform for select home games. The uniform fabric also changed from light grey to cream, and a white version was introduced for home games.

1982: Grey Uniform Usage

The Astros wore grey uniforms on the road prior to 1982

1983: Astros Acquire Mike Scott, Art Howe Injured

Before the 1983 season, the Astros made a key trade, acquiring Mike Scott from the Mets. Art Howe's injury led to positional changes, with Phil Garner moving to third, Ray Knight to first, and Bill Doran becoming the regular second baseman.

1983: Retirement of Orange Cap

The Astros retired their orange cap in 1983.

1984: Dickie Thon Injury, Glenn Davis Debut

The 1984 season saw a major setback with Dickie Thon's injury. However, the Astros also called up promising rookie Glenn Davis in September.

1985: Hal Lanier Implements "Whiteyball"

After the 1985 season, Hal Lanier was appointed manager of the Astros. Lanier introduced a "Whiteyball" style of play, focused on pitching, defense, and speed, resulting in a strong start to the season.

1985: Start of Spring Training at Osceola Heritage Park

From 1985, the Astros held spring training at Osceola Heritage Park in Kissimmee, Florida.

1985: Mike Scott's Split-Finger, Glenn Davis Starts, Joe Niekro Traded

In 1985, Mike Scott developed a split-finger fastball that would transform his career. Glenn Davis became a starting first baseman, adding power to the lineup. Joe Niekro was traded to the Yankees.

1985: Milo Hamilton Joins Astros

Milo Hamilton started broadcasting for the Astros in 1985.

1986: Astros Enter Rebuilding Phase, Uniform Changes

Following the 1986 season, the Astros began another rebuilding phase, with key players like Nolan Ryan and José Cruz departing. The team also modified its uniforms, phasing out the full "rainbow" design.

1986: Gene Elston Leaves Astros Broadcasting

Gene Elston concluded his broadcasting career with the Astros in 1986.

1986: Astros in the 1986 All-Star Game and NL West Title

In 1986, the Astrodome hosted the All-Star Game, featuring several Astros players. The team continued its success, clinching the NL West title with a no-hitter by Mike Scott, who later won the Cy Young Award.

1986: Phil Garner Manages Winning Astros Team

Phil Garner, who became the Astros' manager mid-season in 2004, was a player on the successful 1986 Astros team that won the division title.

1986: 1986 NLCS: Astros vs. Mets

The 1986 NLCS between the Astros and the New York Mets is remembered as a dramatic series. A key moment was Game 3, where the Astros lost 6-5 after Lenny Dykstra's two-run homerun in the 9th inning.

1986: Astros Win NL West Again

The Astros won the National League West for the second time in 1986.

1987: Rainbow Shoulder Uniform Becomes Primary

The rainbow shoulder uniform became the Astros' primary look in 1987, replacing the original rainbow uniforms.

June 1988: Craig Biggio Debuts

Craig Biggio made his debut with the Astros in June 1988. He would go on to become a key player and future Hall of Famer for the franchise, becoming the team's everyday catcher by 1990.

1989: Return of Buttons and Belts

In 1989, the Astros brought back buttons and belts to their uniforms, retiring the pullover design.

1990: Orbit's Debut

In 1990, Orbit, a lime-green alien, became the Houston Astros' mascot.

1990: Key Trades: Bagwell Acquired, Davis Traded

In 1990, the Astros made a significant trade, acquiring Jeff Bagwell in exchange for Larry Andersen. Another key trade saw Glenn Davis depart for Baltimore in return for Curt Schilling, Pete Harnisch, and Steve Finley.

1991: 1991-1999 Braves NLCS Streak

From 1991 to 1999, the Atlanta Braves made eight consecutive appearances in the National League Championship Series (NLCS), a feat highlighting a dominant era for the team.

1991: Astros Consider Relocation

In 1991, the Astros explored relocating to the Washington, D.C. area due to dissatisfaction with the Astrodome and challenges in securing a new stadium. The move was ultimately blocked by other National League owners.

1993: Drayton McLane Purchases Astros

Drayton McLane bought the Houston Astros in 1993, committing to keep the team in Houston. This marked a turning point in the franchise's history.

1993: Uniform and Color Change

Following a change in ownership, the Astros changed their uniforms and team colors in 1993 to midnight blue and metallic gold, adopting a more "serious" image. The rainbow uniforms were retired, and the logo was updated with a stylized "flying" star.

1993: Astros Update Team Colors and Uniforms

In 1993, the Houston Astros changed their uniforms and team colors, moving away from the rainbow design to a more serious look with midnight blue and metallic gold. The logo was also updated with a "flying" star.

1993: End of NL West Tenure

The Astros' time in the NL West division ended in 1993.

1994: Astros Begin Period of Consistent Success

Following Drayton McLane's purchase of the team and the maturation of key players like Jeff Bagwell and Craig Biggio, the Astros started demonstrating consistent success. The 1994 season was disrupted by a player's strike.

1994: Bob Watson Becomes Astros GM

In 1994, Bob Watson was hired as the general manager of the Houston Astros, becoming one of the first African Americans to hold this position in Major League Baseball.

1994: Move to NL Central Division

In 1994, the Astros began playing in the NL Central division.

1995: Bob Watson Leaves Astros

Bob Watson left his position as the Astros' general manager in 1995 to join the New York Yankees.

1995: Astros Finish Second in Division

The Astros finished second in their division in 1995. This was part of a period where they consistently contended but fell short of winning the division.

1996: Astros Finish Second in Division

For the third straight year the Astros finished second in their division in 1996, failing to qualify for the playoffs.

1996: Watson Helps Yankees Win World Series

In 1996, Bob Watson, former Astros GM, contributed to the New York Yankees' World Series victory.

1996: Astros Nearly Leave Houston

In 1996, the Astros faced a potential move to Northern Virginia due to stadium issues, but ultimately remained in Houston after a positive stadium referendum.

1997: Uniform Tweaks and Alternate Jerseys

In 1997, the Astros tweaked their road uniforms, affixing the star next to the word "Houston." They also introduced midnight blue alternate jerseys with the flying star logo. Additionally, they reintroduced grey uniforms for road games for the first time since 1982.

1997: Astros Begin NL Central Dominance

The Astros began their period of dominance in the National League Central division, winning the title in 1997, 1998, 1999 and 2001.

1997: Astros Win Division Title

The Astros claimed their first division title in several years in 1997, marking the beginning of a period of dominance in their division. They lost in the first round of the playoffs.

1998: 1998-2001 Astros Division Titles

Between 1998 and 2001, the Astros won four division titles in five seasons, marking a period of consistent success for the franchise.

1998: Astros Achieve 100+ Wins

The 1998 season marked the first time the Astros achieved over 100 wins in a single season.

1998: Astros Achieve Record 102 Wins and Win Division Title

The 1998 season saw the Astros set a franchise record with 102 wins. They also secured another division title, ultimately losing to the San Diego Padres in the playoffs.

1999: Orbit's First Retirement

In 1999, after nearly a decade of service, the Astros retired Orbit as their mascot.

1999: Astros Win Third Consecutive Division Title

In 1999, the Astros won their third consecutive division title, a testament to their strong and consistent performance throughout this period. They once again failed to reach the next round of the playoffs after a series loss to the Atlanta Braves.

1999: Start of Partnership with KTRH

The Astros partnered with KTRH (740 AM) in 1999 for radio broadcasts.

1999: Astros Win NL Central

The Astros won the National League Central title in 1999.

2000: Junction Jack Takes the Field

In 2000, coinciding with the Astros' move to Enron Field, Junction Jack, a rabbit, was introduced as the new mascot.

2000: Move to Minute Maid Park

In 2000, the Astros moved from the Astrodome to Minute Maid Park (now Daikin Park).

2000: Vintage-Inspired Uniforms

In 2000, with the move to Minute Maid Park, the Astros introduced vintage-inspired uniforms featuring brick red, sand, and black, drawing inspiration from the ballpark's history as a railroad depot.

2000: Astros Move to Enron Field

The Astros moved to their new stadium, Enron Field (later renamed Minute Maid Park), in 2000. The stadium featured a retractable roof and a more intimate setting than the Astrodome.

2001: Astros' Last Division Title Before 2017

In 2001, the Astros won the National League Central, marking their last division title until 2017.

2001: Mariners' Last Playoff Series Win Before 2022

In 2001, the Mariners last won a playoff series before their 2022 success.

2002: Darryl Kile's Number Unofficially Retired

After Darryl Kile's death in 2002, the Astros unofficially retired his number 57.

2002: Enron Field Renamed Minute Maid Park

Following Enron's bankruptcy, the Astros' stadium was renamed Minute Maid Park in 2002 after the Houston-based company acquired the naming rights.

2002: John Burkett's Winning Streak

In 2002, John Burkett, pitching for the Boston Red Sox, achieved the longest winning streak in the majors since the Astros' Yusei Kikuchi's nine game streak which started later that year in 2024.

2002: Uniform Updates and Alternate Colors

In 2002, the Astros updated their uniforms, adding pinstripes to their home uniforms and switching to brick red alternate uniforms. They also introduced black caps with a red star and red caps with a sand star as alternates.

2003: Roger Clemens Retires

Roger Clemens retired from professional baseball after playing with the New York Yankees in 2003.

2004: Nolan Ryan's Previous Role with Astros

From 2004 through 2008, Nolan Ryan served as a special assistant to the general manager of the Houston Astros.

2004: Gerry Hunsicker's Tenure Ends

Gerry Hunsicker's time as general manager of the Houston Astros concluded in 2004, after a period of building the team into a consistently strong organization.

2004: Astros' 2004 Season

In 2004, the Astros had a mixed season, starting with high expectations but facing challenges at the All-Star break. They recovered in the second half under new manager Phil Garner, secured a wild-card spot, won the Division Series, but lost the NLCS. Roger Clemens won his seventh Cy Young Award.

2004: Astros' Historic NLDS Victory

In 2004, the Houston Astros defeated the Atlanta Braves in a thrilling 18-inning NLDS Game 4, marked by Lance Berkman's grand slam, Brad Ausmus's game-tying home run, and Chris Burke's walk-off homer in the 18th. The Astros then advanced to and won the NLCS against the St. Louis Cardinals, securing a World Series berth.

January 9, 2005: Carlos Beltrán Signs with Mets

On January 9, 2005, Carlos Beltrán signed a contract with the New York Mets, departing from the Astros despite his valuable contributions during their playoff run in 2004.

2005: Astros' 2005 Season

The Astros had a rollercoaster 2005 season. Despite a poor start, they rallied to secure a wild card spot, making a remarkable turnaround after being 15 games under .500, a feat not seen since the 1914 Boston Braves.

2005: First World Series Appearance

The Astros reached the World Series for the first time in 2005, where they were swept by the Chicago White Sox.

2006: Astros' Roster Changes and Season Outcome

During the 2006 offseason, the Astros signed Preston Wilson, moved Lance Berkman to first base, re-signed Roger Clemens, and traded for Aubrey Huff. Despite a late-season surge, the team missed the playoffs after losing the final game to the Atlanta Braves. Wilson was later released mid-season.

April 28, 2007: Hunter Pence Debuts

Top prospect Hunter Pence made his debut for the Astros on April 28, 2007, getting a hit and scoring a run.

May 2007: Astros' Losing Streak and Biggio's Milestone

In May 2007, the Astros endured a 10-game losing streak. Craig Biggio achieved his 3,000th career hit on June 28th, the same night Carlos Lee hit a walk-off grand slam. Biggio later announced his retirement in July and concluded his career at the end of the season.

2007: Astros' Offseason Moves and Bagwell's Retirement

In 2007, the Astros declined Jeff Bagwell's contract option, leading to his retirement. Roger Clemens and Andy Pettitte became free agents, and the Astros traded Willy Taveras, Taylor Buchholz, and Jason Hirsh to the Colorado Rockies for Jason Jennings and Miguel Asencio.

February 2008: Astros' Starting Rotation and Roster Updates

In February 2008, the Astros signed several players to one-year deals, including Brandon Backe, Ty Wigginton, Dave Borkowski, and Shawn Chacón. The starting rotation was set with Roy Oswalt and Brandon Backe leading, followed by Wandy Rodríguez, Chacón, and Chris Sampson. Kazuo Matsui began the season on a rehab assignment.

2008: Crane's Previous Attempts to Buy Teams

In 2008, Jim Crane attempted to purchase both the Chicago Cubs and, later, the Houston Astros from Drayton McLane, but both deals fell through.

2008: End of Nolan Ryan's Previous Role

Nolan Ryan finished his time as a special assistant to the general manager of the Houston Astros in 2008.

2008: Astros' Regression Begins

The Astros' performance declined in 2008, finishing with a record of 86-75.

2009: Astros' Continued Regression and Cooper's Firing

The Astros' struggles continued in 2009, resulting in a 74-88 record and the firing of manager Cecil Cooper. Child admission was made free at the lowest point of the season.

November 2010: Astros Put Up for Sale

In November 2010, Drayton McLane announced that he was putting the Houston Astros up for sale for estate planning purposes.

2010: Brad Mills Era Begins, Key Players Traded

Brad Mills became the Astros' manager in 2010. The team struggled and traded key players like Roy Oswalt and Lance Berkman during the season, finishing with a 76-86 record.

2010: Hunter Pence Leads in Home Runs

Hunter Pence led the Houston Astros in home runs during the 2010 season.

March 2011: Jim Crane Emerges as Potential Buyer

Jim Crane, a Houston businessman, became the leading candidate to purchase the Astros in March 2011. Previous attempts by Crane to purchase the Cubs and Rangers, as well as a prior agreement with McLane that fell through, were also noted.

July 30, 2011: Hunter Pence Traded

On July 30, 2011, the Astros traded outfielder Hunter Pence to the Philadelphia Phillies.

November 15, 2011: Astros Move to American League Announced

On November 15, 2011, the Houston Astros announced their agreement to move from the National League to the American League for the 2013 season. This move, part of a broader MLB realignment, resulted in a $70 million concession for the Astros and marked a significant shift for the franchise after over 50 years in the NL.

November 2011: McLane's Age

Drayton McLane was 75 years old as of November 2011.

December 2011: Jeff Luhnow Appointed General Manager

In December 2011, Jeff Luhnow was named the new general manager of the Houston Astros.

2011: Previous Worst Record in Astros History

Before 2012, the 2011 season held the record for the worst season in Astros history.

2011: Jim Crane Purchases the Astros

Businessman Jim Crane purchased the Houston Astros for $680 million in 2011.

2011: Record for Worst Season Broken

The Astros' 1975 record of 64-97 stood as the worst in franchise history until 2011, indicating another challenging season for the team.

November 2, 2012: Astros Unveil New Look

On November 2, 2012, the Astros unveiled a new uniform in anticipation of their 2013 American League debut. The new look featured the return of the classic navy and orange color scheme.

November 6, 2012: Astros Hire David Stearns

On November 6, 2012, the Houston Astros hired David Stearns as their new assistant general manager.

2012: Astros' Final Season in the National League

2012 marked the Astros' last season in the National League before their move to the American League.

2012: Astros Games Broadcast on Fox Sports Houston

During the 2012 season, Astros games were broadcast on television by Fox Sports Houston with some games also on KTXH.

2012: Astros Finish with Worst Record in MLB

In 2012, the Astros concluded their time in the National League with a 55-107 record, the worst in MLB, marking their worst season in franchise history up to that point.

2012: End of Partnership with KTRH and Milo Hamilton's Retirement

In 2012, the Astros ended their partnership with KTRH and veteran broadcaster Milo Hamilton retired.

2012: Astros Miss Playoffs, Appoint New Manager

In 2012, the Astros failed to make the playoffs and subsequently appointed Bo Porter as the manager for the upcoming 2013 season.

2012: Last Opening Day Loss and AL All-Star Game Loss

In 2012, the Astros lost their last Opening Day game before 2023, and the American League All-Star team, managed that year by Dusty Baker, lost their first All-Star Game since 2012 as well.

2012: Astros Join American League and Lone Star Series Intensifies

In 2012, with the Astros joining the American League West, the Lone Star Series rivalry with the Texas Rangers shifted from interleague to intra-division.

2012: End of NL Central Tenure

The Astros' tenure in the NL Central division ended in 2012.

March 31, 2013: Astros Win First AL Game

On March 31, 2013, the Astros played and won their first game as an American League team, defeating the Texas Rangers 8-2.

September 27, 2013: CSN Houston Bankruptcy Filing

On September 27, 2013, CSN Houston, the television broadcaster for Astros games, filed for Chapter 11 bankruptcy.

2013: Bo Porter Manages the Astros

Bo Porter served as the manager for the Houston Astros in 2013, the team's first season in the American League.

2013: Orbit Returns!

In 2013, after a 13-year hiatus, Orbit returned as the Houston Astros mascot, coinciding with the team's move to the American League and rebranding.

2013: Move to AL West Division

In 2013, the Astros joined the AL West division as part of an MLB realignment.

2013: Flagship Radio Station Change and New Broadcasters

In 2013, the Astros' flagship radio station became KBME, and Robert Ford and Steve Sparks replaced Dave Raymond and Brett Dolan as broadcasters.

2013: Astros Debut New Uniforms in AL

In 2013, the Houston Astros debuted their new uniforms upon joining the American League.

2013: Move to American League West Division

In 2013, the Houston Astros moved from the National League Central Division to the American League West Division as part of an MLB realignment.

2013: First American League Game Against Rangers

The Astros played their first American League game against the Rangers on Sunday Night Baseball in 2013.

2013: Return to Navy and Orange

The Astros returned to their classic navy and orange color scheme in 2013, featuring the city and team names in block letters with orange trim. They also introduced an orange alternate uniform and navy uniforms with rainbow stripes.

2013: Astros Join the American League

The Houston Astros officially joined the American League in 2013.

February 2014: Nolan Ryan Returns to Astros

Nolan Ryan returned to the Houston Astros front office as an assistant to the owner in February 2014.

2014: Sports Illustrated Predicts Astros' 2017 World Series Win

In 2014, Sports Illustrated predicted the Astros would win the 2017 World Series.

2014: Astros Finish Fourth in AL West

The Astros finished the 2014 season with a 70-92 record, placing fourth in the AL West.

June 2015: Correa Called Up, Fiers Throws No-Hitter, Astros Reach Playoffs

In June 2015, Carlos Correa joined the Astros and made a significant impact. Later that season, Mike Fiers pitched a no-hitter, and the team secured a playoff berth.

2015: Discontinuation of All-Orange Caps

In 2015 the Astros stopped wearing all orange caps with the home uniform

2015: Playoff and Division Race

In 2015, both the Astros and Rangers reached the playoffs and were in a tight division race throughout much of the season.

2015: Astros Show Promise

In 2015, the Astros showed great promise, performing well and raising expectations for the following season.

2015: Beginning of a Successful Era

The Astros began a period of sustained success in 2015, becoming one of MLB's dominant teams.

2016: Astros Miss Playoffs Despite Mid-Season Success

Despite a strong showing mid-season, the Astros finished 2016 with an 84-78 record, missing the playoffs.

2016: Astros Struggle Against Rangers

During the 2016 season, the Astros struggled against their division rivals, the Texas Rangers, finishing with a 4-15 record against them.

2016: Last Time Astros Missed ALCS (Before 2024)

In 2016, the Astros missed the ALCS marking the last time before 2024 that the team didn't reach that stage in the postseason.

2016: Uniform Updates and "H" Star Replacement

In 2016, the Astros replaced the "H" star on their navy uniforms with "Astros" in orange.

2016: Tal's Hill Removed from Minute Maid Park

In the 2016-2017 offseason, Tal's Hill was removed from Minute Maid Park, and the center field wall was moved in.

2016: Carlos Correa's Last Season as Starting Shortstop (Before 2022)

The 2016 season was the last time Carlos Correa played as the starting shortstop for the Astros before his departure and subsequent return in 2022.

2016: End of Spring Training at Osceola Heritage Park

Up until 2016, the Astros conducted spring training at Osceola Heritage Park.

June 9, 2017: Astros Achieve Best Start in Franchise History

By June 9, 2017, the Astros boasted a 41-16 record, marking the best start in the franchise's 55-year history.

November 3, 2017: Houston Celebrates Astros' World Series Win

On November 3, 2017, the city of Houston held a parade to celebrate the Astros' World Series victory, with an estimated 750,000 people in attendance.

November 16, 2017: Jose Altuve Named AL MVP

On November 16, 2017, Jose Altuve was named the American League Most Valuable Player following a stellar season, culminating in a World Series championship with the Astros.

2017: Yuli Gurriel's First Season and Last Season at First Base

2017 marked Yuli Gurriel's first season with the Astros. It was also his last as their everyday first baseman before 2023.

2017: Astros Acquire Justin Verlander

In 2017, the Astros acquired Justin Verlander, who played a key role in their playoff run and eventual World Series victory.

2017: Spring Training Location

In 2017, the Astros began holding their spring training at The Ballpark of the Palm Beaches in West Palm Beach, Florida, sharing the facility with the Washington Nationals.

2017: World Series Championship and Sign-Stealing Scandal

In 2017, the Astros won the World Series against the Dodgers, a victory later marred by the revelation of a sign-stealing scandal.

2017: Astros Win First World Series

In 2017, the Astros won their first World Series championship, defeating the Los Angeles Dodgers. This also marked their first division title in the American League West and their first overall since 2001, becoming the first team to win three different divisions. They also surpassed 100 wins for the second time in franchise history.

2017: First World Series Championship

The Astros won their first World Series championship in 2017, defeating the Los Angeles Dodgers, though the victory was marred by a sign-stealing scandal.

2017: Center Field Wall Moved In

The center field wall at Minute Maid Park was moved in during the 2016-2017 offseason.

September 26, 2018: Astros Clinch AL West Title

On September 26, 2018, the Houston Astros clinched their second consecutive AL West division title thanks to a Seattle Mariners victory over the Oakland A's.

September 29, 2018: Astros Achieve Franchise Record

On September 29, 2018, the Astros finished the regular season with a 103-59 record, setting a new franchise record for wins. They achieved this by sweeping a double-header against the Baltimore Orioles.

2018: Changes to Cap Usage

In 2018, the Astros stopped pairing their navy alternate uniforms with an orange cap with a navy brim.

2018: Repercussions of the Sign-Stealing Scandal

The 2018 sign-stealing scandal had far-reaching consequences, leading to dismissals and investigations beyond the Astros organization.

January 26, 2019: Astros Hall of Fame Announcement

On January 26, 2019, the Houston Astros revealed their plans for a team Hall of Fame, including details about the inaugural class of inductees, an orange jacket, and renderings for each inductee.

July 31, 2019: Astros Acquire Zack Greinke

On July 31, 2019, the Houston Astros traded for veteran starting pitcher and Cy Young Award winner Zack Greinke to strengthen their starting rotation.

November 12, 2019: Sign-Stealing Allegations Surface

On November 12, 2019, The Athletic published an article detailing allegations of the Astros using cameras to steal signs during the 2017 and 2018 seasons. This sparked a major scandal and an MLB investigation.

2019: Astros Reach World Series but Fall Short

In 2019, the Astros reached their third World Series appearance after Jose Altuve's walk-off home run in Game 6 of the ALCS against the New York Yankees. However, they lost the series to the Washington Nationals in seven games.

2019: World Series Appearance

The Astros appeared in the World Series in 2019, facing the Washington Nationals.

2019: 2019 World Series Loss

The Astros lost the 2019 World Series, a series where, similar to their 2023 ALCS loss, the away team won every game.

January 13, 2020: MLB Investigation Findings Released

On January 13, 2020, MLB released the findings of their investigation, confirming that the Astros had used cameras to steal signs during the 2017 and 2018 seasons. No evidence of sign-stealing was found for the 2019 season.

January 29, 2020: Dusty Baker Hired as Manager

On January 29, 2020, the Astros hired Dusty Baker as their new manager to replace A.J. Hinch.

2020: Hinch and Luhnow Fired, Astros Fined and Lose Draft Picks

In 2020, following the MLB investigation, Astros manager A.J. Hinch and general manager Jeff Luhnow were fired. The team was also fined $5 million and lost their top two draft picks in the 2020 and 2021 MLB drafts.

2020: Astros Play Shortened Season Due to Pandemic

In 2020, the MLB season was shortened to 60 games due to the COVID-19 pandemic. The Astros finished with a losing record but still made the playoffs.

2021: Astros Lose Draft Picks

As part of the penalties for the sign-stealing scandal, the Astros also lost their top two draft picks in the 2021 MLB Draft.

2021: 2021 Astros Season

The 2021 Houston Astros season marked the return of fans after the sign-stealing scandal. Despite losing key players, they achieved a 55-36 record by the All-Star break. On September 30, 2021, they clinched their fourth AL West title in five seasons. Yuli Gurriel won the batting title, and the team reached their fifth consecutive ALCS, a record matched by only a few teams. They won the AL pennant but lost the World Series to the Braves.

2021: World Series Appearance

The Astros reached the World Series in 2021, playing against the Atlanta Braves.

November 2, 2022: 2022 World Series Game 4 No-Hitter

On November 2, 2022, during Game 4 of the World Series against the Phillies, the Astros pitched a combined no-hitter, a historic first in postseason history and only the second in World Series history.

2022: Dusty Baker's Contract Renewal and James Click's Departure

During the 2022-23 offseason, Dusty Baker's managerial contract was renewed, while general manager James Click left the team after contract negotiations failed.

2022: "City Connect" Uniforms

In 2022, the Astros introduced "City Connect" uniforms inspired by Houston's "Space City" nickname and incorporating elements from the 1970s "Tequila Sunrise" uniforms.

2022: Second World Series Championship

In 2022, the Astros won their second World Series title, defeating the Philadelphia Phillies.

2022: Mariners Return to Playoff Success and ALDS Matchup

In 2022, the Mariners returned to the playoffs, winning their first series since 2001, and faced the Astros in the ALDS, which the Astros won.

February 2023: Dana Brown Hired as General Manager

In February 2023, Dana Brown was appointed as the new general manager of the Houston Astros, marking a significant change in the team's leadership.

October 25, 2023: Dusty Baker's Retirement

On October 25, 2023, Dusty Baker announced his retirement from managing, concluding a long and successful career.

November 13, 2023: Joe Espada Named Astros Manager

On November 13, 2023, Joe Espada was appointed as the 25th manager in Astros history, succeeding Dusty Baker.

2023: ALCS Matchup and Division Title

In 2023, both teams made the playoffs and the Astros won the division title based on head-to-head record. The teams then faced each other in the ALCS for the first time.

2023: 2023 Astros Season

The 2023 Astros season had a mixed start, snapping a long Opening Day winning streak. They saw changes in their roster, with Yuli Gurriel's departure and José Abreu's arrival. Despite reaching the ALCS for a record seventh consecutive time, they ultimately lost to the Rangers in a series where the away team won every game.

May 13, 2024: First All-Female Broadcast Team

On May 13, 2024, Jenny Cavnar and Julia Morales made history as the first all-female broadcast team to call a Major League Baseball game on television.

September 22, 2024: Final "Space City" Uniform Game

The Astros announced on September 22, 2024, that they would wear their "Space City" uniforms for the final time and receive new "City Connect" uniforms in 2025.

December 13, 2024: Roster Update

On December 13, 2024, the Astros updated their roster, coaches, and NRIs.

2024: AL West Division Title and Historic Achievement

The Astros clinched the AL West division title for the seventh time in eight years in 2024, becoming the first team to win the division four straight times since the 1971–1975 Oakland Athletics.

2024: 5,000th Win and All-Time Winning Record

The Astros reached 5,000 wins in 2024 and hold an all-time winning record as an expansion team.