12 rounds

Oscar
Bonavena
VS
Ron
Lyle

Lyle · UD 12/12

Mar 19, 1974 · Coliseum, Denver, 🇺🇸

Bonavena going in51-8-1

Lyle going in26-1-1

Confirmation✓✓ two sources

MethodUD

Round12 of 12

Sources

English Wikipedia
side b · observed 2026-10-11
en.wikipedia.org/wiki/Ron_Lyle

✓

English Wikipedia
side a · observed 2026-10-11
en.wikipedia.org/wiki/Oscar_Bonavena

✓