Trevor was knocked down two times in the second round by 20-year-old Mike Tyson before the fight was stopped by referee Mills Lane , resulting in a first-round KO loss .
On November 22 , in his first defense of the title , he was knocked down two times in the second round by 20-year-old Mike Tyson before the fight was stopped by referee Mills Lane , resulting in a second round TKO loss .
Trevor Berbick