The 2000 American League Championship Series was a matchup between the Eastern Division Champion New York Yankees and the Wild Card Seattle Mariners. The Yankees had advanced to the Series after beating the Western Division Champion Oakland Athletics in the ALDS 3 games to 2 and the Mariners advanced by beating the Central Division Champion Chicago White Sox 3 games to none. The Yankees won the Series 4 games to 2 and went on to defeat the New York Mets in the World Series.