Mike Tyson vs. Brian Nielsen Originally, Tyson was rewarded with a technical knockout victory, but it was later changed to a no-contest in January 2001 after a post-fight drug test revealed that Tyson had tested positive for marijuana. Just days before Tyson's positive test became known to the public, he was also issued a three-month suspension by the State of Michigan, which the Nevada Athletic Commission agreed to uphold, though the suspension had little effect on Tyson's boxing schedule as he had already announced his intentions to take those three months off. After serving the suspension, Tyson's next fight was initially going to be against
Trevor Berbick vs. Mike Tyson Trevor Berbick disappear. Trevor Berbick vs. Mike Tyson Trevor Berbick vs. Mike Tyson, billed as "Judgment Day", was a professional boxing match contested on November 22, 1986 for the WBC Heavyweight Championship. In 1986, the three major boxing organizations, the World Boxing Council, the World Boxing Association and the International Boxing Federation teamed with HBO to create a heavyweight championship tournament in an effort to crown the first Undisputed Heavyweight Champion since Leon Spinks in 1978. All three of the organizations' heavyweight champions, as well as several of the sport's top contenders, were entered into the tournament. In the first