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. Michael Spinks into the International Boxing Hall of Fame and the World Boxing Hall of Fame. Mike Tyson vs. Michael Spinks Mike Tyson vs. Michael Spinks was a boxing match which took place on Monday June 27, 1988. Both men were undefeated and each had a claim to being the legitimate heavyweight champion. At the time, Tyson held the belts of all three of the major sanctioning organizations (World Boxing Council, World Boxing Association, and International Boxing Federation) while Spinks was the "Ring" champion and was considered the lineal champion. Held at the Atlantic City Convention Hall in Atlantic City, New Jersey