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
Mike Tyson vs. Tony Tubbs Mike Tyson vs. Tony Tubbs Mike Tyson vs. Tony Tubbs was a professional boxing match contested on March 21, 1988 for the WBA, WBC and IBF Heavyweight Championships. Tyson was only two months removed from an impressive victory over ex-Heavyweight champion Larry Holmes. Shortly after his victory, Tyson's promoter Don King was able to work out a blockbuster deal with Michael Spinks and Spinks' promoter Butch Lewis that would see Spinks finally meet Tyson for the Undisputed Championship. Before that fight would happen, however, Tyson would first have to defend his titles against former WBA Heavyweight champion Tony Tubbs in