ali
Muhammad ali
Mohamed Ali
Not at this time.
Rocky Marciano
Rocky Marciano is the only heavyweight champion not to loose a fight.
mike Tyson aged 20.
Of boxing...honestly, who cares anymore.
Joe Louis
joe louis
geroge forman
Samuel Okon Peter (born September 6, 1980 in Akwa Ibom, Nigeria), nicknamed "The Nigerian Nightmare," is a professional American based heavyweight boxer and the former WBC world heavyweight boxing champion.
Vitali Klitschko of the Ukraine has been the World Boxing Council heavyweight champion since October 2008.