Sixto Escobar vs. Tony Olivera
1939-10-04 : Sixto Escobar 123 lbs lost to Tony Olivera 120 lbs by PTS in round 10 of 10
- Location: Auditorium, Oakland, California, USA
Olivera took nine out of the 10 rounds, using his left jab to control Escobar. Escobar finished the bout with his left eye completely swollen shut.
Source: Oakland Tribune