World heavyweight title · 45 rounds

Jack
Johnson
VS
James
J. Jeffries

Johnson · TKO 15/45

Jul 4, 1910 · Reno, Nevada, 🇺🇸

Johnson going in51-5-9

Jeffries going in19-0-2

Confirmation✓✓ two sources

MethodTKO

Round15 of 45 · 2:20

TitleWorld heavyweight title

Sources

English Wikipedia
side a · observed 2026-10-11
en.wikipedia.org/wiki/Jack_Johnson

✓

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

✓