10 rounds

Amos
Johnson
VS
Oscar
Bonavena

Bonavena · UD 10/10

Oct 22, 1966 · Luna Park, Buenos Aires

Johnson going in—

Bonavena going in22-3-0

Confirmation✓ one source

MethodUD

Round10 of 10

Sources

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

✓