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==== 1877 ====
==== 1877 ====
* New York and Philadelphia are expelled from the NL.
* New York and Philadelphia are expelled from the NL.
* The Hartford Dark Blues move from [[Hartford, Connecticut]], to [[Brooklyn]] and are renamed the [[Hartford Dark Blues|Brooklyn Hartfords]].
* The Hartford Dark Blues move from [[Hartford, Connecticut]] to [[Brooklyn]] and are renamed the [[Hartford Dark Blues|Brooklyn Hartfords]].


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* The Buffalo Buffeds are renamed the [[Buffalo Blues]].
* The Buffalo Buffeds are renamed the [[Buffalo Blues]].
* The Chicago Federals are renamed the [[Chicago Whales]].
* The Chicago Federals are renamed the [[Chicago Whales]].
* The Indianapolis Hoosiers relocate to [[Newark, New Jersey]], to become the [[Newark Peppers]].
* The Indianapolis Hoosiers relocate to [[Newark, New Jersey]] to become the [[Newark Peppers]].


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==== 1955: Athletics relocation to Kansas City ====
==== 1955: Athletics relocation to Kansas City ====
The Philadelphia Athletics move to [[Kansas City, Missouri]], and become the [[Kansas City Athletics]].
The Philadelphia Athletics move to [[Kansas City, Missouri]] and become the [[Kansas City Athletics]].


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==== 1968: Athletics relocation to Oakland ====
==== 1968: Athletics relocation to Oakland ====
The Kansas City Athletics move to [[Oakland, California]], and become the [[Oakland Athletics]].
The Kansas City Athletics move to [[Oakland, California]] and become the [[Oakland Athletics]].


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==== 1972: Senators relocation to the Dallas–Fort Worth metroplex ====
==== 1972: Senators relocation to the Dallas–Fort Worth metroplex ====
* The Washington Senators move to [[Arlington, Texas]], in the [[Dallas–Fort Worth metroplex]] and become the [[Texas Rangers (baseball)|Texas Rangers]].
* The Washington Senators move to [[Arlington, Texas]] in the [[Dallas–Fort Worth metroplex]] and become the [[Texas Rangers (baseball)|Texas Rangers]].
* The Rangers transfer from the AL East to the AL West.
* The Rangers transfer from the AL East to the AL West.
* The Milwaukee Brewers transfer from the AL West to the AL East.
* The Milwaukee Brewers transfer from the AL West to the AL East.

Revision as of 08:27, 2 January 2023

The following is a timeline of franchise evolution in Major League Baseball. The histories of franchises in the National Association of Base Ball Players (NABBP), National Association of Professional Base Ball Players (NA), Union Association (UA), and American Association (AA) before they joined the National League are also included. In 1900 the minor league Western League renamed itself the American League (AL). All of the 1899 Western League teams were a part of the transformation with the Saint Paul Apostles moving to Chicago and to play as the White Stockings. In 1901 the AL declared itself a Major League. For its inaugural major league season the AL dropped its teams in Indianapolis, Buffalo and Minneapolis and replaced them with franchises in Boston, Philadelphia, and Baltimore and the Kansas City Blues moved to Washington to play as the Senators.

In 2020, Major League Baseball designated seven Negro Leagues from 1920–1948 as major leagues.[1] This page has not yet been fully updated to reflect that designation.

MLB timeline

The first line is the formation of the National League in 1876, and the second is the transformation of the American League to a major league in 1901. The third line is the beginning of the expansion era in 1961.

World Series championships are shown with a "*", National League Pennants before the World Series are shown with a "^", and American League Pennants before the World Series "#". No World Series was played in 1904, so the pennant winners for each league are indicated. Due to the 1994-95 Major League Baseball strike, there were no pennant winners or World Series in 1994, so this year is left blank.

/../..

History of organizational changes

Source: The Baseball Encyclopedia (10 ed.). Macmillan General Reference. 1996. ISBN 978-0028608150.
Note: Team names are given here according to the convention used by The Baseball Encyclopedia, which regularized them into the familiar form of modern team names. However, most teams in the early period had no name, aside from that of the club (as in "Hartford Base Ball Club" or "Athletic Base Ball Club of Philadelphia"), and nicknames like "Beaneaters," "Perfectos" and the many allusions to uniform colors were inventions by the florid sportswriters of the day.[2]

Pre-modern Era (1876–1900)

1876: Founding of the National League

The National League is established with eight clubs.

Only season in the NL §
1876 NL teams
Boston Red Caps 0 Louisville Grays
Chicago White Stockings New York Mutuals§
Cincinnati Reds Philadelphia Athletics§
Hartford Dark Blues St. Louis Brown Stockings

1877

Team folded after this season ^
1877 NL teams
Boston Red Caps 0 Cincinnati Reds
Brooklyn Hartfords^ Louisville Grays^
Chicago White Stockings St. Louis Brown Stockings^

1878

First season in the NL * Only season in the NL §
1878 NL teams
Boston Red Caps 0 Indianapolis Blues§
Chicago White Stockings Milwaukee Grays§
Cincinnati Reds Providence Grays*

1879

First season in the NL * Only season in the NL § Team disbanded after this season ^
1879 NL teams
Boston Red Caps 0 Cleveland Blues*
Buffalo Bisons* Providence Grays
Chicago White Stockings Syracuse Stars§
Cincinnati Reds^ Troy Trojans*

1880

  • Syracuse folds.
  • The Cincinnati Reds disband and are replaced by an entirely different club in the city, the Cincinnati Stars.
  • Worcester joins the NL.
First season in the NL * Only season in the NL §
1880 NL teams
Boston Red Caps 0 Cleveland Blues
Buffalo Bisons Providence Grays
Chicago White Stockings Troy Trojans
Cincinnati Stars§ Worcester Worcesters*

1881

  • The NL expels Cincinnati after the club refuses to sign a league-wide pledge to ban alcohol at ballparks.
  • Detroit joins the NL.
First season in the NL *
1881 NL teams
Boston Red Caps 0 Detroit Wolverines*
Buffalo Bisons Providence Grays
Chicago White Stockings Troy Trojans
Cleveland Blues Worcester Worcesters

1882: Establishment of the American Association

The American Association (AA) is established with six clubs.

Team folded after this season ^
1882 MLB teams
NL AA
Boston Red Caps Baltimore Orioles
Buffalo Bisons Cincinnati Red Stockings
Chicago White Stockings Louisville Eclipse
Cleveland Blues Philadelphia Athletics
Detroit Wolverines Pittsburgh Alleghenys
Providence Grays St. Louis Brown Stockings
Troy Trojans^  
Worcester Worcesters^

1883

First MLB season *
1883 MLB teams
NL AA
Boston Beaneaters Baltimore Orioles
Buffalo Bisons Cincinnati Red Stockings
Chicago White Stockings Columbus Buckeyes*
Cleveland Blues Louisville Eclipse
Detroit Wolverines New York Metropolitans*
New York Gothams* Philadelphia Athletics
Philadelphia Quakers* Pittsburgh Alleghenys
Providence Grays St. Louis Browns

1884: The Union Association as a third league

First season in the AA * Only season in the AA § Last season in AA or NL ^
1884 MLB teams
NL AA Union Association
Boston Beaneaters Baltimore Orioles Altoona Mountain Citys
Buffalo Bisons Brooklyn Atlantics* Baltimore Monumentals
Chicago White Stockings Cincinnati Red Stockings Boston Reds
Cleveland Blues^ Columbus Buckeyes^ Chicago Browns/Pittsburgh Stogies
Detroit Wolverines Indianapolis Hoosiers§ Cincinnati Outlaw Reds
New York Gothams Louisville Eclipse Kansas City Cowboys
Philadelphia Quakers New York Metropolitans Milwaukee Brewers
Providence Grays Philadelphia Athletics Philadelphia Keystones
  Pittsburgh Alleghenys St. Louis Maroons
Richmond Virginians§ St. Paul Saints
St. Louis Browns Washington Nationals
Toledo Blue Stockings§ Wilmington Quicksteps
Washington Nationals§  

1885: Back to two leagues

  • The Union Association (UA) disbands.
  • The former UA club St. Louis Maroons joins the NL.
  • Both the Cleveland Blues of the NL and the Columbus Buckeyes of the AA fold.
  • The AA contracts to 8 teams, with the Indianapolis Hoosiers, Richmond Virginians, Toledo Blue Stockings, and Washington Nationals either folding or returning to the minor leagues.
  • The New York Gothams become the New York Giants.
  • The Brooklyn Atlantics become the Brooklyn Grays.
  • The Louisville Eclipse become the Louisville Colonels.
Team moved from the former UA ** Last season in NL ^
1885 MLB teams
NL AA
Boston Beaneaters Baltimore Orioles
Buffalo Bisons^ Brooklyn Grays
Chicago White Stockings Cincinnati Red Stockings
Detroit Wolverines Louisville Colonels
New York Giants New York Metropolitans
Philadelphia Quakers Philadelphia Athletics
Providence Grays^ Pittsburgh Alleghenys
St. Louis Maroons** St. Louis Browns

1886

First season in NL * Only season in the NL §
1886 MLB teams
NL AA
Boston Beaneaters Baltimore Orioles
Chicago White Stockings Brooklyn Grays
Detroit Wolverines Cincinnati Red Stockings
Kansas City Cowboys§ Louisville Colonels
New York Giants New York Metropolitans
Philadelphia Quakers Philadelphia Athletics
St. Louis Maroons Pittsburgh Alleghenys
Washington Nationals* St. Louis Browns

1887

First season in AA * Last season in AA ^
1887 MLB teams
NL AA
Boston Beaneaters Baltimore Orioles
Chicago White Stockings Brooklyn Grays
Detroit Wolverines Cincinnati Red Stockings
Indianapolis Hoosiers Cleveland Blues*
New York Giants Louisville Colonels
Philadelphia Quakers New York Metropolitans^
Pittsburgh Alleghenys Philadelphia Athletics
Washington Nationals St. Louis Browns

1888

First season in AA * Last season in NL ^
1888 MLB teams
NL AA
Boston Beaneaters Baltimore Orioles
Chicago White Stockings Brooklyn Bridegrooms
Detroit Wolverines^ Cincinnati Red Stockings
Indianapolis Hoosiers Cleveland Blues
New York Giants Kansas City Cowboys*
Philadelphia Quakers Louisville Colonels
Pittsburgh Alleghenys Philadelphia Athletics
Washington Nationals St. Louis Browns

1889

First season in AA * Last season in AA or NL ^
1889 MLB teams
NL AA
Boston Beaneaters Baltimore Orioles
Chicago White Stockings Brooklyn Bridegrooms
Cleveland Spiders Cincinnati Red Stockings
Indianapolis Hoosiers^ Columbus Solons*
New York Giants Kansas City Cowboys^
Philadelphia Quakers Louisville Colonels
Pittsburgh Alleghenys Philadelphia Athletics
Washington Nationals^ St. Louis Browns

1890: The Players' League as a third league

  • The Players' League (PL) is established with 8 clubs.
  • The Chicago White Stockings are renamed the Chicago Colts.
  • The Philadelphia Quakers are renamed the Philadelphia Phillies.
  • The Brooklyn Bridegrooms transfer from the AA to the NL.
  • The Cincinnati Red Stockings transfer from the AA to the NL and are renamed the Cincinnati Reds.
  • The Indianapolis Hoosiers, Kansas City Cowboys, and Washington Nationals fold.
  • The Baltimore Orioles transfer from the AA into minor league baseball, and are replaced by the Brooklyn Gladiators. The Gladiators then folded midway through the 1890 season, and the Orioles returned to the AA to finish out the season.
  • The Rochester Broncos, Syracuse Stars, and Toledo Maumees also join the AA.
Only season in the AA §
1890 MLB teams
NL AA PL
Boston Beaneaters Baltimore Orioles Boston Reds
Brooklyn Bridegrooms Brooklyn Gladiators§ Brooklyn Ward's Wonders
Chicago Colts Columbus Solons Buffalo Bisons
Cincinnati Reds Louisville Colonels Chicago Pirates
Cleveland Spiders Philadelphia Athletics Cleveland Infants
New York Giants Rochester Broncos§ New York Giants (PL)
Philadelphia Phillies St. Louis Browns Philadelphia Athletics (PL)
Pittsburgh Alleghenys Syracuse Stars§ Pittsburgh Burghers
  Toledo Maumees§  

1891: Last AA season

  • The Players' League (PL) disbands.
  • The Brooklyn Bridegrooms are renamed the Brooklyn Grooms.
  • The Pittsburgh Alleghenys are renamed the Pittsburgh Pirates.
  • The Boston Reds of the former PL join the AA.
  • The AA's Philadelphia Athletics are expelled from the league and are replaced by the former PL's Philadelphia Athletics.
  • The Cincinnati Kelly's Killers join the AA. The club then folded midway through the 1891 season and are replaced by the minor league team Milwaukee Brewers.
  • The Washington Statesman join the AA.
First MLB season * Only season in MLB § Last MLB season ^
1891 MLB teams
NL AA
Boston Beaneaters Baltimore Orioles
Brooklyn Grooms Boston Reds^
Chicago Colts Cincinnati Kelly's Killers§
Cincinnati Reds Columbus Solons^
Cleveland Spiders Louisville Colonels
New York Giants Milwaukee Brewers§
Philadelphia Phillies Philadelphia Athletics^
Pittsburgh Pirates St. Louis Browns
  Washington Statesman*

1892: NL monopoly

  • The AA folds, leaving only the NL.
  • Four former AA clubs (Baltimore, Louisville, St. Louis, and Washington) join the NL.
  • The Washington Statesmen become known as the Washington Senators.
Teams move from the former AA **
1892 to 1895 NL teams
Baltimore Orioles** 0 Louisville Colonels**
Boston Beaneaters New York Giants
Brooklyn Grooms Philadelphia Phillies
Chicago Colts Pittsburgh Pirates
Cincinnati Reds St. Louis Browns**
Cleveland Spiders Washington Senators**

1896

The Brooklyn Grooms revert back to the Brooklyn Bridegrooms.

1896 to 1897 NL teams
Baltimore Orioles 0 Louisville Colonels
Boston Beaneaters New York Giants
Brooklyn Bridegrooms Philadelphia Phillies
Chicago Colts Pittsburgh Pirates
Cincinnati Reds St. Louis Browns
Cleveland Spiders Washington Senators

1898

The Chicago Colts become known as the Chicago Orphans.

1898 NL teams
Baltimore Orioles 0 Louisville Colonels
Boston Beaneaters New York Giants
Brooklyn Bridegrooms Philadelphia Phillies
Chicago Orphans Pittsburgh Pirates
Cincinnati Reds St. Louis Browns
Cleveland Spiders Washington Senators

1899

Team folded after this season ^
1899 NL teams
Baltimore Orioles^ 0 Louisville Colonels^
Boston Beaneaters New York Giants
Brooklyn Superbas Philadelphia Phillies
Chicago Orphans Pittsburgh Pirates
Cincinnati Reds St. Louis Perfectos
Cleveland Spiders^ Washington Senators^

1900: Classic Eight

  • The NL contracts to eight clubs, with the folding of Baltimore, Cleveland, Louisville, and Washington. This eight-team lineup in the NL remained unchanged through 1952.
  • The St. Louis Perfectos are renamed the St. Louis Cardinals.
1900 NL teams
Boston Beaneaters 0 New York Giants
Brooklyn Superbas Philadelphia Phillies
Chicago Orphans Pittsburgh Pirates
Cincinnati Reds St. Louis Cardinals

Birth of the Modern Era (1901–1952)

1901: Founding of the American League

The American League is established with its own eight clubs.

1901 MLB teams
AL NL
Baltimore Orioles Boston Beaneaters
Boston Americans Brooklyn Superbas
Chicago White Stockings Chicago Orphans
Cleveland Bluebirds Cincinnati Reds
Detroit Tigers New York Giants
Milwaukee Brewers Philadelphia Phillies
Philadelphia Athletics Pittsburgh Pirates
Washington Senators St. Louis Cardinals

1902

The Milwaukee Brewers move to St. Louis and become the St. Louis Browns.

1902 MLB teams
AL NL
Baltimore Orioles Boston Beaneaters
Boston Americans Brooklyn Superbas
Chicago White Stockings Chicago Orphans
Cleveland Bluebirds Cincinnati Reds
Detroit Tigers New York Giants
Philadelphia Athletics Philadelphia Phillies
St. Louis Browns Pittsburgh Pirates
Washington Senators St. Louis Cardinals

1903

1903 MLB teams
AL NL
Boston Americans Boston Beaneaters
Chicago White Stockings Brooklyn Superbas
Cleveland Naps Chicago Cubs
Detroit Tigers Cincinnati Reds
New York Highlanders New York Giants
Philadelphia Athletics Philadelphia Phillies
St. Louis Browns Pittsburgh Pirates
Washington Senators St. Louis Cardinals

1904

The Chicago White Stockings are renamed the Chicago White Sox.

1904 to 1906 MLB teams
AL NL
Boston Americans Boston Beaneaters
Chicago White Sox Brooklyn Superbas
Cleveland Naps Chicago Cubs
Detroit Tigers Cincinnati Reds
New York Highlanders New York Giants
Philadelphia Athletics Philadelphia Phillies
St. Louis Browns Pittsburgh Pirates
Washington Senators St. Louis Cardinals

1907

The Boston Beaneaters are renamed the Boston Doves.

1907 MLB teams
AL NL
Boston Americans Boston Doves
Chicago White Sox Brooklyn Superbas
Cleveland Naps Chicago Cubs
Detroit Tigers Cincinnati Reds
New York Highlanders New York Giants
Philadelphia Athletics Philadelphia Phillies
St. Louis Browns Pittsburgh Pirates
Washington Senators St. Louis Cardinals

1908

The Boston Americans are renamed the Boston Red Sox.

1908 to 1910 MLB teams
AL NL
Boston Red Sox Boston Doves
Chicago White Sox Brooklyn Superbas
Cleveland Naps Chicago Cubs
Detroit Tigers Cincinnati Reds
New York Highlanders New York Giants
Philadelphia Athletics Philadelphia Phillies
St. Louis Browns Pittsburgh Pirates
Washington Senators St. Louis Cardinals

1911

1911 MLB teams
AL NL
Boston Red Sox Boston Rustlers
Chicago White Sox Brooklyn Trolley Dodgers
Cleveland Naps Chicago Cubs
Detroit Tigers Cincinnati Reds
New York Highlanders New York Giants
Philadelphia Athletics Philadelphia Phillies
St. Louis Browns Pittsburgh Pirates
Washington Senators St. Louis Cardinals

1912

The Boston Rustlers are renamed the Boston Braves.

1912 MLB teams
AL NL
Boston Red Sox Boston Braves
Chicago White Sox Brooklyn Trolley Dodgers
Cleveland Naps Chicago Cubs
Detroit Tigers Cincinnati Reds
New York Highlanders New York Giants
Philadelphia Athletics Philadelphia Phillies
St. Louis Browns Pittsburgh Pirates
Washington Senators St. Louis Cardinals

1913

1913 MLB teams
AL NL
Boston Red Sox Boston Braves
Chicago White Sox Brooklyn Dodgers
Cleveland Naps Chicago Cubs
Detroit Tigers Cincinnati Reds
New York Yankees New York Giants
Philadelphia Athletics Philadelphia Phillies
St. Louis Browns Pittsburgh Pirates
Washington Senators St. Louis Cardinals

1914

  • The Federal League declares itself as a "third major league" with its own eight teams, in competition with the established National and American Leagues.
  • The Brooklyn Dodgers are renamed the Brooklyn Robins.
1914 MLB teams
AL NL FL
Boston Red Sox Boston Braves Baltimore Terrapins
Chicago White Sox Brooklyn Dodgers Brooklyn Tip-Tops
Cleveland Naps Chicago Cubs Buffalo Buffeds
Detroit Tigers Cincinnati Reds Chicago Federals
New York Yankees New York Giants Indianapolis Hoosiers
Philadelphia Athletics Philadelphia Phillies Kansas City Packers
St. Louis Browns Pittsburgh Pirates Pittsburgh Rebels
Washington Senators St. Louis Cardinals St. Louis Terriers

1915

1915 MLB teams
AL NL FL
Boston Red Sox Boston Braves Baltimore Terrapins
Chicago White Sox Brooklyn Dodgers Brooklyn Tip-Tops
Cleveland Indians Chicago Cubs Buffalo Blues
Detroit Tigers Cincinnati Reds Chicago Whales
New York Yankees New York Giants Kansas City Packers
Philadelphia Athletics Philadelphia Phillies Newark Peppers
St. Louis Browns Pittsburgh Pirates Pittsburgh Rebels
Washington Senators St. Louis Cardinals St. Louis Terriers

1916

The Federal League folds prior to the season.

1916 to 1931 MLB teams
AL NL
Boston Red Sox Boston Braves
Chicago White Sox Brooklyn Dodgers
Cleveland Indians Chicago Cubs
Detroit Tigers Cincinnati Reds
New York Yankees New York Giants
Philadelphia Athletics Philadelphia Phillies
St. Louis Browns Pittsburgh Pirates
Washington Senators St. Louis Cardinals

1920

The first Negro National League is formed, the first black baseball league to be designated a major league.

1923

The Eastern Colored League is formed.

1928

The Eastern Colored League is disbanded at the end of the season.

1929

The American Negro League (not to be confused with the Negro American League) is formed. It lasts only one season.

1932

The Brooklyn Robins reverts back to the Brooklyn Dodgers name.

Two Negro Leagues, the East–West League and the Negro Southern League are major leagues during this season.

1932 to 1935 MLB teams
AL NL
Boston Red Sox Boston Braves
Chicago White Sox Brooklyn Dodgers
Cleveland Indians Chicago Cubs
Detroit Tigers Cincinnati Reds
New York Yankees New York Giants
Philadelphia Athletics Philadelphia Phillies
St. Louis Browns Pittsburgh Pirates
Washington Senators St. Louis Cardinals

1933

The second Negro National League is formed. It is designated a major league in 2020.

1936

The Boston Braves are renamed the Boston Bees.

1936 to 1940 MLB teams
AL NL
Boston Red Sox Boston Bees
Chicago White Sox Brooklyn Dodgers
Cleveland Indians Chicago Cubs
Detroit Tigers Cincinnati Reds
New York Yankees New York Giants
Philadelphia Athletics Philadelphia Phillies
St. Louis Browns Pittsburgh Pirates
Washington Senators St. Louis Cardinals

1937

The Negro American League is formed. It is designated a major league in 2020.

1941

The Boston Bees reverts back to the Boston Braves name.

1941 to 1952 MLB teams
AL NL
Boston Red Sox Boston Braves
Chicago White Sox Brooklyn Dodgers
Cleveland Indians Chicago Cubs
Detroit Tigers Cincinnati Reds
New York Yankees New York Giants
Philadelphia Athletics Philadelphia Phillies
St. Louis Browns Pittsburgh Pirates
Washington Senators St. Louis Cardinals

1949

With the beginning of integration in Baseball in 1947, the Negro National League folds and the Negro American League reverts to minor league status.

Relocations begin (1953–1960)

1953: Braves relocation to Milwaukee, and Cincinnati renaming

1953 MLB teams
AL NL
Boston Red Sox Brooklyn Dodgers
Chicago White Sox Chicago Cubs
Cleveland Indians Cincinnati Redlegs
Detroit Tigers Milwaukee Braves
New York Yankees New York Giants
Philadelphia Athletics Philadelphia Phillies
St. Louis Browns Pittsburgh Pirates
Washington Senators St. Louis Cardinals

1954: Browns relocation to Baltimore

The St. Louis Browns move to Baltimore and become the Baltimore Orioles.

1954 MLB teams
AL NL
Baltimore Orioles Brooklyn Dodgers
Boston Red Sox Chicago Cubs
Chicago White Sox Cincinnati Redlegs
Cleveland Indians Milwaukee Braves
Detroit Tigers New York Giants
New York Yankees Philadelphia Phillies
Philadelphia Athletics Pittsburgh Pirates
Washington Senators St. Louis Cardinals

1955: Athletics relocation to Kansas City

The Philadelphia Athletics move to Kansas City, Missouri and become the Kansas City Athletics.

1955 to 1957 MLB teams
AL NL
Baltimore Orioles Brooklyn Dodgers
Boston Red Sox Chicago Cubs
Chicago White Sox Cincinnati Redlegs
Cleveland Indians Milwaukee Braves
Detroit Tigers New York Giants
Kansas City Athletics Philadelphia Phillies
New York Yankees Pittsburgh Pirates
Washington Senators St. Louis Cardinals

1958: The NL exits New York for California

1958 MLB teams
AL NL
Baltimore Orioles Chicago Cubs
Boston Red Sox Cincinnati Redlegs
Chicago White Sox Los Angeles Dodgers
Cleveland Indians Milwaukee Braves
Detroit Tigers Philadelphia Phillies
Kansas City Athletics Pittsburgh Pirates
New York Yankees St. Louis Cardinals
Washington Senators San Francisco Giants

1959: Cincinnati reverts back to the Reds

After calling themselves the Cincinnati Redlegs for the past six seasons, the club reverts back to the Cincinnati Reds.

1959 to 1960 MLB teams
AL NL
Baltimore Orioles Chicago Cubs
Boston Red Sox Cincinnati Reds
Chicago White Sox Los Angeles Dodgers
Cleveland Indians Milwaukee Braves
Detroit Tigers Philadelphia Phillies
Kansas City Athletics Pittsburgh Pirates
New York Yankees St. Louis Cardinals
Washington Senators San Francisco Giants

First expansion (1961–1968)

1961 relocation and expansion

1961 expansion team *
1961 MLB teams
AL NL
Baltimore Orioles Chicago Cubs
Boston Red Sox Cincinnati Reds
Chicago White Sox Los Angeles Dodgers
Cleveland Indians Milwaukee Braves
Detroit Tigers Philadelphia Phillies
Kansas City Athletics Pittsburgh Pirates
Los Angeles Angels* St. Louis Cardinals
Minnesota Twins San Francisco Giants
New York Yankees  
Washington Senators*

1962 expansion

1962 expansion team *
1962 to 1964 MLB teams
AL NL
Baltimore Orioles Chicago Cubs
Boston Red Sox Cincinnati Reds
Chicago White Sox Houston Colt .45s*
Cleveland Indians Los Angeles Dodgers
Detroit Tigers Milwaukee Braves
Kansas City Athletics New York Mets*
Los Angeles Angels Philadelphia Phillies
Minnesota Twins Pittsburgh Pirates
New York Yankees St. Louis Cardinals
Washington Senators San Francisco Giants

1965: Houston and Angels renaming

  • The Houston Colt .45s are renamed the Houston Astros.
  • The Los Angeles Angels are renamed the California Angels on September 2, 1965, with 28 games left in the season.
1965 MLB teams
AL NL
Baltimore Orioles Chicago Cubs
Boston Red Sox Cincinnati Reds
California/Los Angeles Angels Houston Astros
Chicago White Sox Los Angeles Dodgers
Cleveland Indians Milwaukee Braves
Detroit Tigers New York Mets
Kansas City Athletics Philadelphia Phillies
Minnesota Twins Pittsburgh Pirates
New York Yankees St. Louis Cardinals
Washington Senators San Francisco Giants

1966: Braves relocation to Atlanta

The Milwaukee Braves move to Atlanta and become the Atlanta Braves.

1966 to 1967 MLB teams
AL NL
Baltimore Orioles Atlanta Braves
Boston Red Sox Chicago Cubs
California Angels Cincinnati Reds
Chicago White Sox Houston Astros
Cleveland Indians Los Angeles Dodgers
Detroit Tigers New York Mets
Kansas City Athletics Philadelphia Phillies
Minnesota Twins Pittsburgh Pirates
New York Yankees St. Louis Cardinals
Washington Senators San Francisco Giants

1968: Athletics relocation to Oakland

The Kansas City Athletics move to Oakland, California and become the Oakland Athletics.

1968 MLB teams
AL NL
Baltimore Orioles Atlanta Braves
Boston Red Sox Chicago Cubs
California Angels Cincinnati Reds
Chicago White Sox Houston Astros
Cleveland Indians Los Angeles Dodgers
Detroit Tigers New York Mets
Minnesota Twins Philadelphia Phillies
New York Yankees Pittsburgh Pirates
Oakland Athletics St. Louis Cardinals
Washington Senators San Francisco Giants

Birth of division play (1969–1993)

1969 expansion and realignment

1969 expansion team *
1969 MLB teams
AL NL
East West East West
Baltimore Orioles California Angels Chicago Cubs Atlanta Braves
Boston Red Sox Chicago White Sox Montreal Expos* Cincinnati Reds
Cleveland Indians Kansas City Royals* New York Mets Houston Astros
Detroit Tigers Minnesota Twins Philadelphia Phillies Los Angeles Dodgers
New York Yankees Oakland Athletics Pittsburgh Pirates San Diego Padres*
Washington Senators Seattle Pilots* St. Louis Cardinals San Francisco Giants

1970: Pilots relocation to Milwaukee

The Seattle Pilots move to Milwaukee and become the Milwaukee Brewers.

1970 to 1971 MLB teams
AL NL
East West East West
Baltimore Orioles California Angels Chicago Cubs Atlanta Braves
Boston Red Sox Chicago White Sox Montreal Expos Cincinnati Reds
Cleveland Indians Kansas City Royals New York Mets Houston Astros
Detroit Tigers Milwaukee Brewers Philadelphia Phillies Los Angeles Dodgers
New York Yankees Minnesota Twins Pittsburgh Pirates San Diego Padres
Washington Senators Oakland Athletics St. Louis Cardinals San Francisco Giants

1972: Senators relocation to the Dallas–Fort Worth metroplex

1972 to 1976 MLB teams
AL NL
East West East West
Baltimore Orioles California Angels Chicago Cubs Atlanta Braves
Boston Red Sox Chicago White Sox Montreal Expos Cincinnati Reds
Cleveland Indians Kansas City Royals New York Mets Houston Astros
Detroit Tigers Minnesota Twins Philadelphia Phillies Los Angeles Dodgers
Milwaukee Brewers Oakland Athletics Pittsburgh Pirates San Diego Padres
New York Yankees Texas Rangers St. Louis Cardinals San Francisco Giants

1977 expansion

1977 expansion team *
1977 to 1992 MLB teams
AL NL
East West East West
Baltimore Orioles California Angels Chicago Cubs Atlanta Braves
Boston Red Sox Chicago White Sox Montreal Expos Cincinnati Reds
Cleveland Indians Kansas City Royals New York Mets Houston Astros
Detroit Tigers Minnesota Twins Philadelphia Phillies Los Angeles Dodgers
Milwaukee Brewers Oakland Athletics Pittsburgh Pirates San Diego Padres
New York Yankees Seattle Mariners* St. Louis Cardinals San Francisco Giants
Toronto Blue Jays* Texas Rangers  

1993 expansion

1993 expansion team *
1993 MLB teams
AL NL
East West East West
Baltimore Orioles California Angels Chicago Cubs Atlanta Braves
Boston Red Sox Chicago White Sox Florida Marlins* Cincinnati Reds
Cleveland Indians Kansas City Royals Montreal Expos Colorado Rockies*
Detroit Tigers Minnesota Twins New York Mets Houston Astros
Milwaukee Brewers Oakland Athletics Philadelphia Phillies Los Angeles Dodgers
New York Yankees Seattle Mariners Pittsburgh Pirates San Diego Padres
Toronto Blue Jays Texas Rangers St. Louis Cardinals San Francisco Giants

Wild Card era (1994–present)

1994 realignment

MLB realigns to three divisions in each league to accommodate an expanded postseason format with a wild card team (although this new playoff format would not be fully implemented until 1995 due to a work stoppage):

  • The AL Central is formed with Cleveland and Milwaukee transferring from the AL East; and the Chicago White Sox, Kansas City, and Minnesota from the AL West.
  • The NL Central is formed with the Chicago Cubs, Pittsburgh, and St. Louis transferring from the NL East; and Cincinnati and Houston from the NL West.
  • The Atlanta Braves transfer from the NL West to the NL East.
1994 to 1996 MLB teams
AL NL
East Central West East Central West
Baltimore Orioles Chicago White Sox California Angels Atlanta Braves Chicago Cubs Colorado Rockies
Boston Red Sox Cleveland Indians Oakland Athletics Florida Marlins Cincinnati Reds Los Angeles Dodgers
Detroit Tigers Kansas City Royals Seattle Mariners Montreal Expos Houston Astros San Diego Padres
New York Yankees Milwaukee Brewers Texas Rangers New York Mets Pittsburgh Pirates San Francisco Giants
Toronto Blue Jays Minnesota Twins   Philadelphia Phillies St. Louis Cardinals  

1997: Angels renaming

The California Angels are renamed the Anaheim Angels.

1997 MLB teams
AL NL
East Central West East Central West
Baltimore Orioles Chicago White Sox Anaheim Angels Atlanta Braves Chicago Cubs Colorado Rockies
Boston Red Sox Cleveland Indians Oakland Athletics Florida Marlins Cincinnati Reds Los Angeles Dodgers
Detroit Tigers Kansas City Royals Seattle Mariners Montreal Expos Houston Astros San Diego Padres
New York Yankees Milwaukee Brewers Texas Rangers New York Mets Pittsburgh Pirates San Francisco Giants
Toronto Blue Jays Minnesota Twins   Philadelphia Phillies St. Louis Cardinals  

1998 expansion

  • The Arizona Diamondbacks are enfranchised and are placed in the NL West.
  • The Tampa Bay Devil Rays are enfranchised and are placed in the AL East.
  • The Detroit Tigers transfer from the AL East to the AL Central.
  • In order to primarily continue intraleague play, the Milwaukee Brewers transfer from the AL Central to the NL Central so both leagues each have an even number of teams.
1998 expansion team *
1998 to 2004 MLB teams
AL NL
East Central West East Central West
Baltimore Orioles Chicago White Sox Anaheim Angels Atlanta Braves Chicago Cubs Arizona Diamondbacks*
Boston Red Sox Cleveland Indians Oakland Athletics Florida Marlins Cincinnati Reds Colorado Rockies
New York Yankees Detroit Tigers Seattle Mariners Montreal Expos Houston Astros Los Angeles Dodgers
Tampa Bay Devil Rays* Kansas City Royals Texas Rangers New York Mets Milwaukee Brewers San Diego Padres
Toronto Blue Jays Minnesota Twins   Philadelphia Phillies Pittsburgh Pirates San Francisco Giants
  St. Louis Cardinals  

2005: Expos relocation and Angels renaming

2005 to 2007 MLB teams
AL NL
East Central West East Central West
Baltimore Orioles Chicago White Sox Los Angeles Angels of Anaheim Atlanta Braves Chicago Cubs Arizona Diamondbacks
Boston Red Sox Cleveland Indians Oakland Athletics Florida Marlins Cincinnati Reds Colorado Rockies
New York Yankees Detroit Tigers Seattle Mariners New York Mets Houston Astros Los Angeles Dodgers
Tampa Bay Devil Rays Kansas City Royals Texas Rangers Philadelphia Phillies Milwaukee Brewers San Diego Padres
Toronto Blue Jays Minnesota Twins   Washington Nationals Pittsburgh Pirates San Francisco Giants
  St. Louis Cardinals  

2008: Tampa Bay renaming

The Tampa Bay Devil Rays shorten their name to Tampa Bay Rays.

2008 to 2011 MLB teams
AL NL
East Central West East Central West
Baltimore Orioles Chicago White Sox Los Angeles Angels of Anaheim Atlanta Braves Chicago Cubs Arizona Diamondbacks
Boston Red Sox Cleveland Indians Oakland Athletics Florida Marlins Cincinnati Reds Colorado Rockies
New York Yankees Detroit Tigers Seattle Mariners New York Mets Houston Astros Los Angeles Dodgers
Tampa Bay Rays Kansas City Royals Texas Rangers Philadelphia Phillies Milwaukee Brewers San Diego Padres
Toronto Blue Jays Minnesota Twins   Washington Nationals Pittsburgh Pirates San Francisco Giants
  St. Louis Cardinals  

2012: Marlins renaming

The Florida Marlins are renamed the Miami Marlins.

2012 MLB teams
AL NL
East Central West East Central West
Baltimore Orioles Chicago White Sox Los Angeles Angels of Anaheim Atlanta Braves Chicago Cubs Arizona Diamondbacks
Boston Red Sox Cleveland Indians Oakland Athletics Miami Marlins Cincinnati Reds Colorado Rockies
New York Yankees Detroit Tigers Seattle Mariners New York Mets Houston Astros Los Angeles Dodgers
Tampa Bay Rays Kansas City Royals Texas Rangers Philadelphia Phillies Milwaukee Brewers San Diego Padres
Toronto Blue Jays Minnesota Twins   Washington Nationals Pittsburgh Pirates San Francisco Giants
  St. Louis Cardinals  

2013: Astros switch leagues

With interleague play expanded to occur throughout the season, the Houston Astros transfer from the NL Central to the AL West to accommodate each league with 15 clubs a piece.

2013 to 2015 MLB teams
AL NL
East Central West East Central West
Baltimore Orioles Chicago White Sox Houston Astros Atlanta Braves Chicago Cubs Arizona Diamondbacks
Boston Red Sox Cleveland Indians Los Angeles Angels of Anaheim Miami Marlins Cincinnati Reds Colorado Rockies
New York Yankees Detroit Tigers Oakland Athletics New York Mets Milwaukee Brewers Los Angeles Dodgers
Tampa Bay Rays Kansas City Royals Seattle Mariners Philadelphia Phillies Pittsburgh Pirates San Diego Padres
Toronto Blue Jays Minnesota Twins Texas Rangers Washington Nationals St. Louis Cardinals San Francisco Giants

2016: Angels renaming

The Los Angeles Angels of Anaheim phase out the official use of "of Anaheim" in favor of just Los Angeles Angels.

2016 to 2021 MLB teams
AL NL
East Central West East Central West
Baltimore Orioles Chicago White Sox Houston Astros Atlanta Braves Chicago Cubs Arizona Diamondbacks
Boston Red Sox Cleveland Indians Los Angeles Angels Miami Marlins Cincinnati Reds Colorado Rockies
New York Yankees Detroit Tigers Oakland Athletics New York Mets Milwaukee Brewers Los Angeles Dodgers
Tampa Bay Rays Kansas City Royals Seattle Mariners Philadelphia Phillies Pittsburgh Pirates San Diego Padres
Toronto Blue Jays Minnesota Twins Texas Rangers Washington Nationals St. Louis Cardinals San Francisco Giants

2022: Cleveland renaming

The Cleveland Indians are renamed the Cleveland Guardians.

2022 to the present MLB teams
AL NL
East Central West East Central West
Baltimore Orioles Chicago White Sox Houston Astros Atlanta Braves Chicago Cubs Arizona Diamondbacks
Boston Red Sox Cleveland Guardians Los Angeles Angels Miami Marlins Cincinnati Reds Colorado Rockies
New York Yankees Detroit Tigers Oakland Athletics New York Mets Milwaukee Brewers Los Angeles Dodgers
Tampa Bay Rays Kansas City Royals Seattle Mariners Philadelphia Phillies Pittsburgh Pirates San Diego Padres
Toronto Blue Jays Minnesota Twins Texas Rangers Washington Nationals St. Louis Cardinals San Francisco Giants

See also

References

  1. ^ "MLB officially designates the Negro Leagues as 'Major League'". MLB.com. Retrieved 2022-10-23.
  2. ^ According to the National League's 1877 Constitution, the member clubs were given as "Boston B. B. Club, Chicago B. B. Club, Cincinnati B. B. Club, Hartford B. B. Club, Louisville B. B. Club, St. Louis B. B. Club." Constitution and Playing Rules of the National League of Professional Base Ball Clubs. Chicago, A. G. Spalding 1877.