This day in baseball · September 16, 1871: the New York Mutuals visited the Boston Red Stockings at South End Grounds I. Boston Red Stockings 9, New York Mutuals 7. W1871 in baseball↗

From the vault · October 15, 2008 · 2008 NLCS, Game 5: The Philadelphia Phillies beat the Los Angeles Dodgers 5–1 at Dodger Stadium to win the NL pennant, 4 games to 1. ▶ Video ↗

American LeagueWWikipedia↗

Major league · 1901–present · 126 seasons

Members (2026)

Most pennants

Boston Red Sox 14

World Series titles

68 by league members

Teams all time

Attendance

1,935,714,012 all time
best year 2007: 35,389,158

Seasons

Season	Teams	Pennant / first place		Attendance
2026	15	Tampa Bay Rays 93–76		31,073,898
2025	15	Toronto Blue Jays 94–68		32,084,535
2024	15	New York Yankees 94–68		32,717,629
2023	15	Texas Rangers 90–72	World Series	32,486,633
2022	15	Houston Astros 106–56	World Series	29,104,196
2021	15	Houston Astros 95–67		19,940,436
2020	15	Tampa Bay Rays 40–20
2019	15	Houston Astros 107–55		30,592,792
2018	15	Boston Red Sox 108–54	World Series	32,420,645
2017	15	Houston Astros 101–61	World Series	34,363,611
2016	15	Cleveland Indians 94–67		35,045,489
2015	15	Kansas City Royals 95–67	World Series	34,856,983
2014	15	Kansas City Royals 89–73		34,491,145
2013	15	Boston Red Sox 97–65	World Series	34,590,988
2012	14	Detroit Tigers 88–74		33,383,773
2011	14	Texas Rangers 96–66		32,716,478
2010	14	Texas Rangers 90–72		32,163,525
2009	14	New York Yankees 103–59	World Series	32,272,727
2008	14	Tampa Bay Rays 97–65		34,540,540
2007	14	Boston Red Sox 96–66	World Series	35,389,158
2006	14	Detroit Tigers 95–67		34,465,295
2005	14	Chicago White Sox 99–63	World Series	33,270,923
2004	14	Boston Red Sox 98–64	World Series	32,798,075
2003	14	New York Yankees 101–61		30,906,711
2002	14	Anaheim Angels 99–63	World Series	30,918,426
2001	14	New York Yankees 95–65		32,853,727
2000	14	New York Yankees 87–74	World Series	31,675,798
1999	14	New York Yankees 98–64	World Series	31,816,532
1998	14	New York Yankees 114–48	World Series	32,174,363
1997	14	Cleveland Indians 86–75		31,283,321
1996	14	New York Yankees 92–70	World Series	29,718,093
1995	14	Cleveland Indians 100–44		25,358,988
1994	14	Texas Rangers 70–62		24,202,197
1993	14	Toronto Blue Jays 95–67	World Series	33,333,365
1992	14	Toronto Blue Jays 96–66	World Series	31,759,331
1991	14	Minnesota Twins 95–67	World Series	32,117,588
1990	14	Oakland Athletics 103–59		30,332,260
1989	14	Oakland Athletics 99–63	World Series	29,849,262
1988	14	Oakland Athletics 104–58		28,499,636
1987	14	Minnesota Twins 85–77	World Series	27,277,351
1986	14	Boston Red Sox 95–66		25,172,732
1985	14	Kansas City Royals 91–71	World Series	24,532,225
1984	14	Detroit Tigers 104–58	World Series	23,961,427
1983	14	Baltimore Orioles 98–64	World Series	23,991,053
1982	14	Milwaukee Brewers 95–67		23,080,449
1981	14	New York Yankees 59–48		14,065,986
1980	14	Kansas City Royals 97–65		21,890,052
1979	14	Baltimore Orioles 102–57		22,371,979
1978	14	New York Yankees 100–63	World Series	20,529,965
1977	14	New York Yankees 100–62	World Series	19,639,551
1976	12	New York Yankees 97–62		14,657,802
1975	12	Boston Red Sox 95–65		13,189,423
1974	12	Oakland Athletics 90–72	World Series	13,047,294
1973	12	Oakland Athletics 94–68	World Series	13,433,604
1972	12	Oakland Athletics 93–62	World Series	11,438,538
1971	12	Baltimore Orioles 101–57		11,868,560
1970	12	Baltimore Orioles 108–54	World Series	12,085,135
1969	12	Baltimore Orioles 109–53		12,134,720
1968	10	Detroit Tigers 103–59	World Series	11,317,387
1967	10	Boston Red Sox 92–70		11,336,923
1966	10	Baltimore Orioles 97–63	World Series	10,166,738
1965	10	Minnesota Twins 102–60		8,860,764
1964	10	New York Yankees 99–63		9,235,151
1963	10	New York Yankees 104–57		9,094,847
1962	10	New York Yankees 96–66	World Series	10,015,056
1961	10	New York Yankees 109–53	World Series	10,163,016
1960	8	New York Yankees 97–57		9,226,526
1959	8	Chicago White Sox 94–60		9,149,454
1958	8	New York Yankees 92–62	World Series	7,296,034
1957	8	New York Yankees 98–56		8,196,218
1956	8	New York Yankees 97–57	World Series	7,893,683
1955	8	New York Yankees 96–58		8,942,971
1954	8	Cleveland Indians 111–43		7,922,364
1953	8	New York Yankees 99–52	World Series	6,964,076
1952	8	New York Yankees 95–59	World Series	8,293,896
1951	8	New York Yankees 98–56	World Series	8,882,674
1950	8	New York Yankees 98–56	World Series	9,142,361
1949	8	New York Yankees 97–57	World Series	10,730,647
1948	8	Cleveland Indians 97–58	World Series	11,150,099
1947	8	New York Yankees 97–57	World Series	9,486,069
1946	8	Boston Red Sox 104–50		9,621,182
1945	8	Detroit Tigers 88–65	World Series	5,580,420
1944	8	St. Louis Browns 89–65		4,798,158
1943	8	New York Yankees 98–56	World Series	3,696,569
1942	8	New York Yankees 103–51		4,200,216
1941	8	New York Yankees 101–53	World Series	4,911,956
1940	8	Detroit Tigers 90–64		5,433,791
1939	8	New York Yankees 106–45	World Series	4,270,602
1938	8	New York Yankees 99–53	World Series	4,445,684
1937	8	New York Yankees 102–52	World Series	4,735,835
1936	8	New York Yankees 102–51	World Series	4,178,922
1935	8	Detroit Tigers 93–58	World Series	3,688,007
1934	8	Detroit Tigers 101–53		3,763,606
1933	8	Washington Senators 99–53		2,926,210
1932	8	New York Yankees 107–47	World Series	3,133,232
1931	8	Philadelphia Athletics 107–45		3,883,292
1930	8	Philadelphia Athletics 102–52	World Series	4,685,730
1929	8	Philadelphia Athletics 104–46	World Series	4,662,470
1928	8	New York Yankees 101–53	World Series	4,221,188
1927	8	New York Yankees 110–44	World Series	4,612,951
1926	8	New York Yankees 91–63		4,912,583
1925	8	Washington Senators 96–55		5,186,851
1924	8	Washington Senators 92–62	World Series	5,255,439
1923	8	New York Yankees 98–54	World Series	4,602,589
1922	8	New York Yankees 94–60		4,874,355
1921	8	New York Yankees 98–55		4,620,328
1920	8	Cleveland Indians 98–56	World Series	5,084,300
1919	8	Chicago White Sox 88–52		3,654,236
1918	8	Boston Red Sox 75–51	World Series	1,707,999
1917	8	Chicago White Sox 100–54	World Series	2,858,858
1916	8	Boston Red Sox 91–63	World Series	3,451,885
1915	8	Boston Red Sox 101–50	World Series	2,434,684
1914	8	Philadelphia Athletics 99–53		2,747,591
1913	8	Philadelphia Athletics 96–57	World Series	3,526,805
1912	8	Boston Red Sox 105–47	World Series	3,263,631
1911	8	Philadelphia Athletics 101–50	World Series	3,339,514
1910	8	Philadelphia Athletics 102–48	World Series	3,270,689
1909	8	Detroit Tigers 98–54		3,739,870
1908	8	Detroit Tigers 90–63		3,611,366
1907	8	Detroit Tigers 92–58		3,398,764
1906	8	Chicago White Sox 93–58	World Series	2,938,076
1905	8	Philadelphia Athletics 92–56		3,120,752
1904	8	Boston Americans 95–59		3,024,028
1903	8	Boston Americans 91–47	World Series	2,344,888
1902	8	Philadelphia Athletics 83–53		2,206,454
1901	8	Chicago White Sox 83–53		1,683,584

Members, all time

Team	Years	Seasons	Pennants	World Series
Boston Red Sox	1901–2026	126	14	9
Chicago White Sox	1901–2026	126	6	3
Cleveland Guardians	1901–2026	126	6	2
Detroit Tigers	1901–2026	126	11	4
New York Yankees	1903–2026	124	41	27
Baltimore Orioles	1954–2026	73	6	3
Minnesota Twins	1961–2026	66	3	2
Oakland Athletics	1968–2026	58	6	4
Kansas City Royals	1969–2026	58	4	2
Texas Rangers	1972–2026	55	3	1
Seattle Mariners	1977–2026	50
Toronto Blue Jays	1977–2026	50	3	2
Milwaukee Brewers	1970–2026	29	1
Tampa Bay Rays	1998–2026	29	2
Anaheim Angels	1997–2026	9	1	1
Los Angeles Angels of Anaheim	1961–2025	25
Houston Astros	2013–2025	13	4	2
Athletics	2025	1
California Angels	1965–1996	32
Washington Senators	1961–1971	11
Seattle Pilots	1969	1
Kansas City Athletics	1955–1967	13
Washington Senators	1901–1960	60	3	1
Philadelphia Athletics	1901–1954	54	9	5
St. Louis Browns	1902–1953	52	1
Baltimore Orioles	1901–1902	2
Milwaukee Brewers	1901	1

⚾ Arcade

American LeagueWWikipedia↗

Seasons

Members, all time