Leon Spinks
World title reigns and bouts
WBA
WBC
RING
WBA
Heavyweight
Cruiserweight
1979
(25 years old)
(25 years old)
1980
(26 years old)
(26 years old)
1981
(27 years old)
(27 years old)
1982
(28 years old)
(28 years old)
1983
(29 years old)
(29 years old)
1984
(30 years old)
(30 years old)
1985
(31 years old)
(31 years old)
1986
(32 years old)
(32 years old)