World heavyweight title · 10 rounds

John
Finnegan
VS
James
J. Jeffries

Jeffries · KO 1/10

Apr 6, 1900 · Cadillac Athletic Club, Detroit, Michigan, 🇺🇸

Finnegan going in—

Jeffries going in12-0-2

Confirmation✓ one source

MethodKO

Round1 of 10 · 0:55

TitleWorld heavyweight title

Sources

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

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