10 rounds

John
Zawackie
VS
Ken
Overlin

Overlin · KO 2/10

Feb 15, 1937 · Armory, Newport News, 🇺🇸

Zawackie going in—

Overlin going in77-11-2

Confirmation✓ one source

MethodKO

Round2 of 10

Sources

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

✓