Just four days after the end of the regular season, the Astros met the Red Sox at home in the AL Division Series (ALDS), and defeated them in four games. Houston then advanced to the AL Championship Series (ALCS) and defeated the New York Yankees in seven games for their first American League pennant. Combined with their NL pennant in 2005, the Astros became the first MLB team to make it to the World Series as members of both the National and American Leagues. Finally, the Astros faced and defeated the Los Angeles Dodgers in the 2017 World Series 4 games to 3.