Having already announced that he would retire at the end of the season, Javier platooned with Al Martin in left field for a Mariners team that went on to win 116 games in 2001. He made a leaping catch to rob the New York Yankees' Alfonso Soriano of a home run in the third game of the 2001 American League Championship Series to ignite his team's come from behind victory. He also hit the only post season home run of his career against Mike Mussina in game two.