page_title: List of American League pennant winners
section_title: Pennants Won by Franchise
hierarchical_section_title: List of American League pennant winners / Pennants Won by Franchise
caption_attribution_description: The Boston Red Sox of Major League Baseball (United States) are honored by President George W. Bush following the side's winning the 2007 World Series.
context_page_description: Each Major League Baseball season, one American League team wins the pennant, signifying that they are the league's champion and have the right to play in the World Series against the champion of the National League. The pennant was presented to the team with the best win–loss record each year through the 1968 season, after which the AL Championship Series was introduced to decide the pennant winner. The first modern World Series was played in 1903 and, after a hiatus in 1904, has taken place every season except 1994, when a players' strike forced the cancellation of the postseason. The current AL pennant holders are the Houston Astros who won in October 2019.
  In 1969, the AL split into two divisions, and the teams with the best records in each division played one another in the five-game ALCS to determine the pennant winner, who received the William Harridge Trophy. The trophy featured a golden eagle, the league's emblem, sitting atop a silver baseball and clutching the AL banner. Since 2017, the trophy is all silver with a pennant on top. The trophy is named for Will Harridge, who was league president from 1931 to 1958.
context_section_description: *Astros have won 2 AL Pennants; the other was in the NL
  Notes
  Also known as Baltimore Orioles and New York Highlanders.  In addition to their 40 official pennants, the Yankees had the best won-loss record in the American League when the 1994 season was cut short by a labor dispute.
  Also known as Kansas City Athletics and Philadelphia Athletics
  Also known as Boston Americans
  Also known as St. Louis Browns and Milwaukee Brewers. This does not refer to the New York Yankees, who were known as the Baltimore Orioles in 1901 and 1902.
  Also known as Washington Senators from 1901 to 1960 as called the Nationals from 1905 to 1955.
  Also known as Cleveland Naps, Cleveland Bronchos, and Cleveland Blues
  Also known as Washington Senators from 1961 to 1971
  Also known as Houston Colt .45's from 1962 to 1964. The Astros were members of the National League through the 2012 season after which they switched to the American League. They won the National League pennant in 2005, but this table records only the Astros' American League accomplishments.
  Also known as Anaheim Angels, California Angels, and Los Angeles Angels
  Also known as Tampa Bay Devil Rays
  Also known as Seattle Pilots in 1969. The Brewers were members of the American League through the 1997 season after which they switched to the National League. This table records only the Brewers' American League accomplishments.
caption: The Boston Red Sox won an American League pennant and the World Series in 2007, three years after accomplishing the same feat in 2004.
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