Will Grigsby
World title reigns and bouts
IBF
WBO
Light Flyweight
1999
(28 years old)
(28 years old)
2000
(29 years old)
(29 years old)
2001
(30 years old)
(30 years old)
2002
(31 years old)
(31 years old)
2003
(32 years old)
(32 years old)
2004
(33 years old)
(33 years old)
2005
(34 years old)
(34 years old)
2006
(35 years old)
(35 years old)
2007
(36 years old)
(36 years old)