Antonio Cervantes vs. Alfonso Frazer (2nd meeting)
1973-05-19 : Antonio Cervantes 139½ lbs beat Alfonso Frazer 137½ lbs by TKO at 1:30 in round 5 of 15
- Location: Gimnasio Nuevo Panama, Panama City, Panama
- Referee: Luis Sulbaran
Frazer was knocked down once in the 3rd and also in the 4th round, and was knocked down three times in the 5th round
"Antonio Cervantes retained his WBA junior welterweight title Saturday night, knocking down Panamanian challenger Alfonso Frazer five times and stopping him in the 5th round of a scheduled 15 round bout. The fight was even for the first two rounds until Cervantes unleashed a barrage of punches in the 3rd that dropped Frazer for an eight count. Cervantes dropped the Panamanian again in the 4th. Cervantes was in complete control in the 5th as he pummeled Frazer around the ring, dropped him twice and then knocked him out at 1:38 of the round with a crushing right cross to the jaw." -Associated Press
- Purses - Cervantes - $60,000, Frazer - $10,000
- WBA featherweight champion Ernesto Marcel fought a non-title 10 rounder on the undercard against Ramiro Bolanos.