WBC, NYSAC, and The Ring heavyweight titles · 15 rounds

Henry
Cooper
VS
Muhammad
Ali

Ali · TKO 6/15

May 21, 1966 · Arsenal Stadium, London, 🇬🇧

Cooper going in33-11-1

Ali going in23-0-0

Confirmation✓✓ two sources

MethodTKO

Round6 of 15 · 1:38

TitleWBC, NYSAC, and The Ring heavyweight titles

Sources

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

✓

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

✓

Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/モハメド・アリ

✓