- Who
- Mike Tyson
- Where
- ()
- When
Mike Tyson (USA) was 20 years 145 days when he beat Trevor Berbick (USA) to win the WBC version at Las Vegas, Nevada, USA on 22 November 1986. He added the WBA title when he beat James `Bonecrusher' Smith on 7 March 1987 at 20 years 249 days. He became universal champion on 2 August 1987 when he beat Tony Tucker (USA) for the IBF title.
