Date
Champions
Opponents
Score, Location

World Boxing Council
1966-05-21
ALI Muhammad
COOPER Henry
Technical Knockout 6/15
London, United Kingdom
1966-03-29
ALI Muhammad
CHUVALO George
Unanimous Decision 15/15
Toronto, Canada
1965-11-22
ALI Muhammad
PATTERSON Floyd
Technical Knockout 12/15
Las Vegas, USA
1965-05-25
ALI Muhammad
LISTON Sonny
Knockout 1/15
Lewiston, USA
1964-02-25
CLAY Cassius
LISTON Sonny
Referee Technical Decision 7/15
Miami Beach, USA
After this bout Cassius Clay changed his name to Muhammad Ali.
1963-07-22
LISTON Sonny
PATTERSON Floyd
Knockout 1/15
Las Vegas, USA
1962-08-25
LISTON Sonny
PATTERSON Floyd
Knockout 1/15
Chicago, USA