Paulie Ayala has three losses against three opponents on his boxing record. For a list of Ayala's best fights, refer to "Best fights of Paulie Ayala".
On June 19, 2004 Paulie Ayala faced off against Marco Antonio Barrera at age 34. He was coming in with a record of 35-3 (12), and Barrera was 30 years old and with a record of 57-4 (40). Ayala lost the fight via 10th-round TKO.
On November 16, 2002 Paulie Ayala fought Érik Morales in a featherweight world-title fight for the WBC title. Ayala was 32 years old and with a record of 34-2 (12), and Morales was 26 years old and with a record of 41-1 (31). Ayala lost the fight via 12-round unanimous decision.
On August 23, 1998 Paulie Ayala fought Joichiro Tatsuyoshi in a bantamweight world-title fight for Tatsuyoshi's WBC title. Ayala was 28 years old and with a record of 25-1 (11). Ayala lost the fight via 6-round technical decision.