10 rounds

Felix
Favella
VS
Billy
Costello

Costello · TKO 3/10

May 23, 1982 · Caesars Palace Sports Pavilion, Paradise, 🇺🇸

Favella going in—

Costello going in20-0-0

Confirmation✓ one source

MethodTKO

Round3 of 10

Sources

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

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