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.
Not at this time.
Rocky Marciano is the only heavyweight champion not to loose a fight.
mike Tyson aged 20.
Of boxing...honestly, who cares anymore.
Vitali Klitschko of the Ukraine has been the World Boxing Council heavyweight champion since October 2008.