World middleweight title claim · 10 rounds

Ugo
Micheli
VS
Philadelphia
Jack O'Brien

Micheli · PTS 10/10

Apr 25, 1905 · Auditorium, Indianapolis, 🇺🇸

Micheli going in1-2-1

O'Brien going in129-7-19

Confirmation✓ one source

MethodPTS

Round10 of 10

TitleWorld middleweight title claim

Sources

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

✓