10 rounds

Walter
Byars
VS
Kid
Gavilán

Byars · SD 10/10

Dec 4, 1956 · Mechanics Building, Boston, 🇺🇸

Byars going in—

Gavilán going in105-22-5

Confirmation✓ one source

MethodSD

Round10 of 10

Sources

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

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