American League Championship Series

The American League Championship Series (ALCS) is a best-of-seven playoff and one of two League Championship Series comprising the penultimate round of Major League Baseball's (MLB) postseason. It is contested by the winners of the two American League Division Series. The winner of the ALCS wins the AL pennant and advances to the World Series, MLB's championship series, to play the winner of the National League Championship Series. The ALCS began in 1969 as a best-of-five playoff and used this format until 1985, when it changed to its current best-of-seven format.

By Season

Season	Winning Team	Home Venue	Losing Team	Home Venue	Program(s)
1975	Boston Red Sox	Fenway Park	Oakland Athletics	Oakland-Alameda County Coliseum	Program
1990	Oakland Athletics	Oakland-Alameda County Coliseum	Boston Red Sox	Fenway Park	Athletics Program
2008	Tampa Bay Rays	Tropicana Field	Boston Red Sox	Fenway Park	Program
2018	Boston Red Sox	Fenway Park	Houston Astros	Minute Maid Park	Program
2020	Tampa Bay Rays	Petco Park^	Houston Astros	Petco Park^	Program
2021	Houston Astros	Minute Maid Park	Boston Red Sox	Fenway Park	Program

^The 2020 ALCS was played at a neutral site due to the COVID-19 pandemic.

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