Pizarro started at Bayern with a goal in the fourth minute of the game against Schalke 04 in the second match of the 2001–02 Bundesliga season. In his first season, he scored 15 goals in 30 Bundesliga and 4 German Cup appearances, 4 goals in 14 appearances in the UEFA Champions League, one appearance in the Intercontinental Cup, and one appearance in the UEFA Super Cup.