10 rounds

George
Costner
VS
Kid
Gavilán

Costner · MD 10/10

May 8, 1950 · Arena, Philadelphia, 🇺🇸

Costner going in0-4-0

Gavilán going in58-10-2

Confirmation✓ one source

MethodMD

Round10 of 10

Sources

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

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