4 rounds

Roberto
Sierra
VS
Joel
Casamayor

Casamayor · KO 1/4

Updated Oct 12, 2026 · Sources: English Wikipedia, Wikipedia (ja)

Dec 14, 1996 · Convention Hall, Atlantic City, New Jersey, 🇺🇸

Sierra going in—

Casamayor going in2-0-0

Confirmation✓ one source

MethodKO

Round1 of 4 · 1:48

Sources

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

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