6 rounds

Billy
O'Neill
VS
Don
Fullmer

Fullmer · UD 6/6

Feb 10, 1958 · Fairgrounds Coliseum, Salt Lake City, 🇺🇸

O'Neill going in—

Fullmer going in4-0-0

Confirmation✓ one source

MethodUD

Round6 of 6

Sources

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

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