4 rounds

Willie
O'Neill
VS
Rocky
Kansas

Kansas · KO 1/4

Jun 23, 1911 · International A.C., Buffalo, 🇺🇸

O'Neill going in—

Kansas going in4-0-0

Confirmation✓ one source

MethodKO

Round1 of 4

Sources

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

✓