6 rounds

Ed
Denfass
VS
Philadelphia
Jack O'Brien

O'Brien · TKO 5/6

Mar 19, 1902 · Penn Art Club, Philadelphia, 🇺🇸

Denfass going in—

O'Brien going in61-5-15

Confirmation✓ one source

MethodTKO

Round5 of 6

Sources

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

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