10 rounds

Julio
Mederos
VS
George
Chuvalo

Chuvalo · UD 10/10

Jan 27, 1958

Mederos going in—

Chuvalo going in12-2-0

Confirmation✓ one source

MethodUD

Round10 of 10

NotesMederos was knocked down twice in the 2nd round.

Sources

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

✓