6 rounds

Marvin
Edwards
VS
Billy
Costello

Costello · TKO 1/6

Dec 5, 1979 · Westchester County Center, White Plains, 🇺🇸

Edwards going in—

Costello going in5-0-0

Confirmation✓ one source

MethodTKO

Round1 of 6

Sources

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

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