10 rounds

Joey
Olivo
VS
Eleoncio
Mercedes

Olivo · UD 10/10

Aug 10, 1978 · Olympic Auditorium, Los Angeles, 🇺🇸

Olivo going in0-0-0

Mercedes going in2-0-0

Confirmation✓ one source

MethodUD

Round10 of 10

Sources

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

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