Ray Mercer
World title reigns and bouts
WBO
Heavyweight
1992
(30 years old)
(30 years old)
1994
(32 years old)
(32 years old)
1996
(34 years old)
(34 years old)
1998
(36 years old)
(36 years old)
2000
(38 years old)
(38 years old)
2002
(40 years old)
(40 years old)