Mike Tyson was in matches.
Mike Tyson . Tyson won his first 19 professional fights by knockout , 12 of them in the first round . He won the WBC title in 1986 after stopping Trevor Berbick in two rounds , and added the WBA and IBF titles after defeating James Smith and Tony Tucker in 1987 . Tyson became the lineal champion in 1988 when he knocked out Michael Spinks in 91 seconds of the first round . Tyson retired from professional boxing in 2006 , after being knocked out in consecutive matches against Danny Williams and Kevin McBride .