The 2001 World Series was the championship series of Major League Baseball's (MLB) 2001 season. The 97th edition of the World Series, it was a best-of-seven series between the National League (NL) champion Arizona Diamondbacks and the American League (AL) champion (and three-time defending World Series champion) New York Yankees. The Diamondbacks defeated the Yankees, four games to three, to win the series. Considered one of the greatest World Series of all time,
its memorable aspects included two extra-inning games and three late-inning comebacks.