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. Tyrell Biggs Mike Tyson not being selected among the American Boxing Olympic Team). Only two months prior to his match with Biggs, Tyson had defeated Tony Tucker by unanimous decision to unify all three major heavyweight championships and become the Undisputed Heavyweight Champion. Though many had hoped this would lead to a match with "Lineal" Heavyweight champion Michael Spinks, Spinks remained reluctant to face Tyson. As such, Tyson instead chose to face one of his mandatory challengers, 1984 Olympic Gold Medalist Tyrell Biggs, who was undefeated since turning pro. Prior to their fight, Biggs bashed Tyson in the press, boldly stating among