12 rounds

Steve
Mamakos
VS
Holman
Williams

Williams · PTS 12/12

Jan 25, 1940 · Coliseum, Baltimore, 🇺🇸

Mamakos going in—

Williams going in65-8-5

Confirmation✓ one source

MethodPTS

Round12 of 12

Sources

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

✓