10 rounds

Ramon
Contreras
VS
Bobby
Chacon

Chacon · TKO 8/10

May 19, 1977 · Olympic Auditorium, Los Angeles, 🇺🇸

Contreras going in—

Chacon going in33-3-0

Confirmation✓ one source

MethodTKO

Round8 of 10 · 1:16

Sources

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

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