Major League Baseball (MLB) | History, Teams, & Facts (2024)

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Major League Baseball (MLB), North American professional baseball organization that was formed in 1903 with the merger of the two U.S. professional baseball leagues—the National League (NL) and the American League (AL).

History

The NL and the AL acted as independent organizations from their founding in the 19th century. The two leagues engaged in what was known as the “baseball war” in the years prior to the merger, as the Midwest-based AL moved its teams into the established NL domain of the East Coast and wooed away star players from NL squads. The leagues established a truce in 1903 that resulted in the creation of the World Series, which matched the annual winners of each league to determine a national champion, as well as the National Commission, a three-man governing body that oversaw Major League Baseball but was replaced by a single commissioner of baseball in 1921.

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The teams of Major League Baseball are aligned as follows:

National League
  • NL East: Atlanta Braves, Miami Marlins, New York Mets, Philadelphia Phillies, Washington Nationals

  • NL Central: Chicago Cubs, Cincinnati Reds, Milwaukee Brewers, Pittsburgh Pirates, St. Louis Cardinals

  • NL West: Arizona Diamondbacks, Colorado Rockies, Los Angeles Dodgers, San Diego Padres, San Francisco Giants

American League
  • AL East: Baltimore Orioles, Boston Red Sox, New York Yankees, Tampa Bay Rays, Toronto Blue Jays

  • AL Central: Chicago White Sox, Cleveland Guardians, Detroit Tigers, Kansas City Royals, Minnesota Twins

  • AL West: Houston Astros, Los Angeles Angels of Anaheim, Oakland Athletics, Seattle Mariners, Texas Rangers

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World Series results

World Series results are provided in the table.

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World Series*
year winning team losing team results
*AL—American League. NL—National League.
**One tied game.
1903 Boston Americans (AL) Pittsburgh Pirates (NL) 5–3
1904 no series
1905 New York Giants (NL) Philadelphia Athletics (AL) 4–1
1906 Chicago White Sox (AL) Chicago Cubs (NL) 4–2
1907** Chicago Cubs (NL) Detroit Tigers (AL) 4–0
1908 Chicago Cubs (NL) Detroit Tigers (AL) 4–1
1909 Pittsburgh Pirates (NL) Detroit Tigers (AL) 4–3
1910 Philadelphia Athletics (AL) Chicago Cubs (NL) 4–1
1911 Philadelphia Athletics (AL) New York Giants (NL) 4–2
1912** Boston Red Sox (AL) New York Giants (NL) 4–3
1913 Philadelphia Athletics (AL) New York Giants (NL) 4–1
1914 Boston Braves (NL) Philadelphia Athletics (AL) 4–0
1915 Boston Red Sox (AL) Philadelphia Phillies (NL) 4–1
1916 Boston Red Sox (AL) Brooklyn Robins (NL) 4–1
1917 Chicago White Sox (AL) New York Giants (NL) 4–2
1918 Boston Red Sox (AL) Chicago Cubs (NL) 4–2
1919 Cincinnati Reds (NL) Chicago White Sox (AL) 5–3
1920 Cleveland Indians (AL) Brooklyn Robins (NL) 5–2
1921 New York Giants (NL) New York Yankees (AL) 5–3
1922** New York Giants (NL) New York Yankees (AL) 4–0
1923 New York Yankees (AL) New York Giants (NL) 4–2
1924 Washington Senators (AL) New York Giants (NL) 4–3
1925 Pittsburgh Pirates (NL) Washington Senators (AL) 4–3
1926 St. Louis Cardinals (NL) New York Yankees (AL) 4–3
1927 New York Yankees (AL) Pittsburgh Pirates (NL) 4–0
1928 New York Yankees (AL) St. Louis Cardinals (NL) 4–0
1929 Philadelphia Athletics (AL) Chicago Cubs (NL) 4–1
1930 Philadelphia Athletics (AL) St. Louis Cardinals (NL) 4–2
1931 St. Louis Cardinals (NL) Philadelphia Athletics (AL) 4–3
1932 New York Yankees (AL) Chicago Cubs (NL) 4–0
1933 New York Giants (NL) Washington Senators (AL) 4–1
1934 St. Louis Cardinals (NL) Detroit Tigers (AL) 4–3
1935 Detroit Tigers (AL) Chicago Cubs (NL) 4–2
1936 New York Yankees (AL) New York Giants (NL) 4–2
1937 New York Yankees (AL) New York Giants (NL) 4–1
1938 New York Yankees (AL) Chicago Cubs (NL) 4–0
1939 New York Yankees (AL) Cincinnati Reds (NL) 4–0
1940 Cincinnati Reds (NL) Detroit Tigers (AL) 4–3
1941 New York Yankees (AL) Brooklyn Dodgers (NL) 4–1
1942 St. Louis Cardinals (NL) New York Yankees (AL) 4–1
1943 New York Yankees (AL) St. Louis Cardinals (NL) 4–1
1944 St. Louis Cardinals (NL) St. Louis Browns (AL) 4–2
1945 Detroit Tigers (AL) Chicago Cubs (NL) 4–3
1946 St. Louis Cardinals (NL) Boston Red Sox (AL) 4–3
1947 New York Yankees (AL) Brooklyn Dodgers (NL) 4–3
1948 Cleveland Indians (AL) Boston Braves (NL) 4–2
1949 New York Yankees (AL) Brooklyn Dodgers (NL) 4–1
1950 New York Yankees (AL) Philadelphia Phillies (NL) 4–0
1951 New York Yankees (AL) New York Giants (NL) 4–2
1952 New York Yankees (AL) Brooklyn Dodgers (NL) 4–3
1953 New York Yankees (AL) Brooklyn Dodgers (NL) 4–2
1954 New York Giants (NL) Cleveland Indians (AL) 4–0
1955 Brooklyn Dodgers (NL) New York Yankees (AL) 4–3
1956 New York Yankees (AL) Brooklyn Dodgers (NL) 4–3
1957 Milwaukee Braves (NL) New York Yankees (AL) 4–3
1958 New York Yankees (AL) Milwaukee Braves (NL) 4–3
1959 Los Angeles Dodgers (NL) Chicago White Sox (AL) 4–2
1960 Pittsburgh Pirates (NL) New York Yankees (AL) 4–3
1961 New York Yankees (AL) Cincinnati Reds (NL) 4–1
1962 New York Yankees (AL) San Francisco Giants (NL) 4–3
1963 Los Angeles Dodgers (NL) New York Yankees (AL) 4–0
1964 St. Louis Cardinals (NL) New York Yankees (AL) 4–3
1965 Los Angeles Dodgers (NL) Minnesota Twins (AL) 4–3
1966 Baltimore Orioles (AL) Los Angeles Dodgers (NL) 4–0
1967 St. Louis Cardinals (NL) Boston Red Sox (AL) 4–3
1968 Detroit Tigers (AL) St. Louis Cardinals (NL) 4–3
1969 New York Mets (NL) Baltimore Orioles (AL) 4–1
1970 Baltimore Orioles (AL) Cincinnati Reds (NL) 4–1
1971 Pittsburgh Pirates (NL) Baltimore Orioles (AL) 4–3
1972 Oakland Athletics (AL) Cincinnati Reds (NL) 4–3
1973 Oakland Athletics (AL) New York Mets (NL) 4–3
1974 Oakland Athletics (AL) Los Angeles Dodgers (NL) 4–1
1975 Cincinnati Reds (NL) Boston Red Sox (AL) 4–3
1976 Cincinnati Reds (NL) New York Yankees (AL) 4–0
1977 New York Yankees (AL) Los Angeles Dodgers (NL) 4–2
1978 New York Yankees (AL) Los Angeles Dodgers (NL) 4–2
1979 Pittsburgh Pirates (NL) Baltimore Orioles (AL) 4–3
1980 Philadelphia Phillies (NL) Kansas City Royals (AL) 4–2
1981 Los Angeles Dodgers (NL) New York Yankees (AL) 4–2
1982 St. Louis Cardinals (NL) Milwaukee Brewers (AL) 4–3
1983 Baltimore Orioles (AL) Philadelphia Phillies (NL) 4–1
1984 Detroit Tigers (AL) San Diego Padres (NL) 4–1
1985 Kansas City Royals (AL) St. Louis Cardinals (NL) 4–3
1986 New York Mets (NL) Boston Red Sox (AL) 4–3
1987 Minnesota Twins (AL) St. Louis Cardinals (NL) 4–3
1988 Los Angeles Dodgers (NL) Oakland Athletics (AL) 4–1
1989 Oakland Athletics (AL) San Francisco Giants (NL) 4–0
1990 Cincinnati Reds (NL) Oakland Athletics (AL) 4–0
1991 Minnesota Twins (AL) Atlanta Braves (NL) 4–3
1992 Toronto Blue Jays (AL) Atlanta Braves (NL) 4–2
1993 Toronto Blue Jays (AL) Philadelphia Phillies (NL) 4–2
1994 not held
1995 Atlanta Braves (NL) Cleveland Indians (AL) 4–2
1996 New York Yankees (AL) Atlanta Braves (NL) 4–2
1997 Florida Marlins (NL) Cleveland Indians (AL) 4–3
1998 New York Yankees (AL) San Diego Padres (NL) 4–0
1999 New York Yankees (AL) Atlanta Braves (NL) 4–0
2000 New York Yankees (AL) New York Mets (NL) 4–1
2001 Arizona Diamondbacks (NL) New York Yankees (AL) 4–3
2002 Anaheim Angels (AL) San Francisco Giants (NL) 4–3
2003 Florida Marlins (NL) New York Yankees (AL) 4–2
2004 Boston Red Sox (AL) St. Louis Cardinals (NL) 4–0
2005 Chicago White Sox (AL) Houston Astros (NL) 4–0
2006 St. Louis Cardinals (NL) Detroit Tigers (AL) 4–1
2007 Boston Red Sox (AL) Colorado Rockies (NL) 4–0
2008 Philadelphia Phillies (NL) Tampa Bay Rays (AL) 4–1
2009 New York Yankees (AL) Philadelphia Phillies (NL) 4–2
2010 San Francisco Giants (NL) Texas Rangers (AL) 4–1
2011 St. Louis Cardinals (NL) Texas Rangers (AL) 4–3
2012 San Francisco Giants (NL) Detroit Tigers (AL) 4–0
2013 Boston Red Sox (AL) St. Louis Cardinals (NL) 4–2
2014 San Francisco Giants (NL) Kansas City Royals (AL) 4–3
2015 Kansas City Royals (AL) New York Mets (NL) 4–1
2016 Chicago Cubs (NL) Cleveland Indians (AL) 4–3
2017 Houston Astros (AL) Los Angeles Dodgers (NL) 4–3
2018 Boston Red Sox (AL) Los Angeles Dodgers (NL) 4–1
2019 Washington Nationals (NL) Houston Astros (AL) 4–3
2020 Los Angeles Dodgers (NL) Tampa Bay Rays (AL) 4–2
2021 Atlanta Braves (NL) Houston Astros (AL) 4–2
2022 Houston Astros (AL) Philadelphia Phillies (NL) 4–2
2023 Texas Rangers (AL) Arizona Diamondbacks (NL) 4–1
Adam Augustyn
Major League Baseball (MLB) | History, Teams, & Facts (2024)

FAQs

What is the oldest MLB team? ›

The Cincinnati Red Stockings made their mark as the first openly professional baseball club in 1869. Members of the team would go on to form a club that still plays ball today, the Atlanta Braves.

How many Major League Baseball teams are there? ›

The 30 teams in MLB are divided into two leagues: American and National. Each league is divided into three divisions: East, Central, West. Since the 2013 season, each division has had five teams.

How many original MLB teams were there? ›

From 1901 to 1960, the American and National Leagues fielded eight teams apiece. In the 1960s, MLB expansion added eight teams, including the first non-U.S. team (the Montreal Expos).

Why did the St. Louis Browns move to Baltimore? ›

After the season, Veeck cut a deal with Miles to move the Browns to Baltimore. Under the plan, Veeck would remain as principal owner, but would sell half of his 80% stake to a group of Baltimore investors headed by Miles.

What was the old name of the Braves? ›

In a way, it's also the story of professional baseball in America. In fact, the franchise that started as the Boston Red Stockings in the 1870s and is now known as the Atlanta Braves is the only one of today's 30 Major League franchises to have fielded a team every season professional baseball has been in existence.

What is the oldest stadium in Major League Baseball? ›

Fenway Park

Boston's professional baseball stadium is home to the infamous Green Monster. That's the nickname for the nearly 40-foot-high left-field wall in Fenway Park, the oldest major league ballpark still in use by a professional team. The Boston Red Sox have called Fenway home since it opened in 1912.

How many states have two baseball teams? ›

There are 8 states that have more than one MLB team (California, with 5; Florida, Illinois, New York, Ohio, Pennsylvania, Missouri, and Texas, all with 2 each).

Which baseball team has played the most games? ›

The Philadelphia Phillies have the most losses, with 11,280, while the Tampa Bay Rays have the fewest, with 2,133. With 22,161 games played, the Chicago Cubs have played more games than any other MLB club. Conversely, Tampa Bay has played the fewest (4,176).

Who is the oldest player in MLB? ›

J. Verlander

Why did Cleveland keep the Browns name? ›

The NFL settled it by having Modell turn the Browns' franchise back in, and then gave him a new one to move the organization and form the Baltimore Ravens. This had the effect of keeping the history of the Cleveland Browns continuous, once the NFL sold the franchise to new owners in Cleveland.

What team was originally the Montreal Expos? ›

The Nationals have won one World Series and one NL pennant (both 2019). Headquarters: Washington, D.C. The franchise was based in Montreal and known as the Expos (after Expo 67, the world's fair held in the city in 1967) for the first 36 years of its existence.

Did the Boston Braves become the Atlanta Braves? ›

The Boston Braves were a Major League Baseball club that originated in Boston, Massachusetts, and played from 1871 to 1952. Afterwards they moved to Milwaukee (and became the Milwaukee Braves). Then in 1966 they were relocated to Atlanta, where they were renamed the Atlanta Braves.

What was the first team in the MLB? ›

The original teams of the National League were the Boston Red Stockings (now the Atlanta Braves), Chicago White Stockings (now the Chicago Cubs), Cincinnati Red Stockings (now the Cincinnati Reds), Hartford Dark Blues, Louisville Grays, Mutual of New York, Philadelphia Athletics, and the St.

Who is the oldest active Major League Baseball? ›

Count the three-time Cy Young Award-winning Verlander among the many human beings cheering for someone to sign the 44-year-old Hill. If no one does, with the retirements of Nelson Cruz and Adam Wainwright, it's Verlander who will stand as the oldest active MLB player.

What is the youngest MLB team? ›

The Tampa Bay Rays and the Arizona Diamondbacks are the current youngest MLB teams as they were both established in 1998.

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