Trevor Berbick
On November 22, 1986, Tyson was given his first title fight against Trevor Berbick for the World Boxing Council (WBC) heavyweight championship. Tyson won the title by second round TKO, and at the age of 20 years and 4 months became the youngest heavyweight champion in history
mike Tyson aged 20.
Mike Tyson hold the record for the youngest heavyweight champion of the world at 20 years, 4 months and 22 days old
It is Mike Tyson when he was fighting with Trevor Berbick He became the youngest heavyweight champion in history.
no one knows
ali
Muhammad ali
Mohamed Ali
Not at this time.
Rocky Marciano
Rocky Marciano is the only heavyweight champion not to loose a fight.
Of boxing...honestly, who cares anymore.
Joe Louis