6 rounds

Catalino
Alvarado
VS
Rigoberto
Riasco

No contest

Aug 10, 1969 · Gimnasio Neco de la Guardia, Panama City, 🇵🇦

Alvarado going in—

Riasco going in3-0-2

Confirmation✓ one source

MethodNC

Round4 of 6

Sources

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

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