10 rounds

George
Chuvalo
VS
Joe
Bygraves

Chuvalo · PTS 10/10

Dec 7, 1965

Chuvalo going in33-10-2

Bygraves going in2-5-0

Confirmation✓ one source

MethodPTS

Round10 of 10

NotesBygraves down in the 10th round.

Sources

Wikipedia (es)
side a · observed 2026-10-12
es.wikipedia.org/wiki/George_Chuvalo

✓