10 rounds

Santos
Luis Rivera
VS
Rigoberto
Riasco

Rivera · KO 1/10

Aug 4, 1973 · Roberto Clemente Coliseum, San Juan, 🇵🇷

Rivera going in—

Riasco going in11-3-3

Confirmation✓ one source

MethodKO

Round1 of 10

Sources

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

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