10 rounds

Humberto
Mayorga
VS
Jaime
Rios

Rios · KO 9/10

Updated Oct 11, 2026 · Sources: English Wikipedia

Jan 28, 1978 · Arena de Colon, Colón, 🇵🇦

Mayorga going in—

Rios going in20-3-1

Confirmation✓ one source

MethodKO

Round9 of 10

Sources

English Wikipedia
side b · observed 2026-10-11
en.wikipedia.org/wiki/Jaime_Rios_(boxer)

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