10 rounds

Jason
Davis
VS
Joan
Guzmán

No contest

Dec 11, 2010 · Mandalay Bay Events Center, Paradise, 🇺🇸

Davis going in—

Guzmán going in30-0-1

Confirmation✓ one source

MethodKO

Round2 of 10 · 0:29

NotesOriginally a KO win for Guzmán, later ruled an NC after he failed a drug test

Sources

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

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