4 rounds

Mike
O'Brien
VS
Jimmy
Slattery

Slattery · KO 1/4

Dec 20, 1921 · Broadway Auditorium, Buffalo, 🇺🇸

O'Brien going in—

Slattery going in2-0-0

Confirmation✓ one source

MethodKO

Round1 of 4

Sources

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

✓