6 rounds

Ugo
Micheli
VS
Philadelphia
Jack O'Brien

O'Brien · PTS 6/6

Mar 18, 1904 · Battery D Armory, Chicago, 🇺🇸

Micheli going in1-0-1

O'Brien going in112-6-18

Confirmation✓ one source

MethodPTS

Round6 of 6

Sources

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

✓