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. Mitch Green Mike Tyson vs. Mitch Green Mike Tyson vs. Mitch Green, billed as "New York Is Busting Out", was a professional boxing match contested on May 20, 1986. Mike Tyson was 19 years old and undefeated when he met former heavyweight contender James "Quick" Tillis in his 20th professional bout. Tyson had won all his 19 previous fights by way of knockout, while Tillis had lost four of his previous five fights and came into the fight as a huge underdog. Tillis, however, put on a good effort and was able to take Tyson the full 10 rounds, the first time