4 rounds

George
Casher
VS
Billy
Costello

Costello · PTS 4/4

Oct 26, 1979 · Madison Square Garden, New York City, 🇺🇸

Casher going in—

Costello going in4-0-0

Confirmation✓ one source

MethodPTS

Round4 of 4

Sources

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

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