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 to grant Tyson a license for the fight, and the promoters had to make alternative arrangements. After multiple states balked at granting Tyson a license, the fight eventually occurred on June 8 at the Pyramid Arena in Memphis, Tennessee. Lewis dominated the fight and knocked out Tyson with a right hand in the eighth round. Tyson was respectful after the fight and praised Lewis on his victory. This fight was the highest-grossing event in pay-per-view history at that time, generating $106.9 million from 1.95 million buys in the USA. In another Memphis fight on February 22, 2003, Tyson beat fringe