Great rounds of boxing history: Mike Tyson v Michael Spinks, round one | Boxing | The Guardian,Boxing History - Mike Tyson erased any doubt that he was the true heavyweight champion when he scored this devastating 1st round KO of Michael Spinks in Atlantic City, New Jersey, 1988. (,Boxing History - Mike Tyson took only 91 seconds to annihilate Michael Spinks and confirm his claim to the heavyweight championship with a 1st round KO at the Convention Hall in Atlantic,Mike Tyson - 27 years ago! My fight against Spinks was called Once and For All. 91 seconds. The man to beat the man. #LinealChamp You can check out my @rootsoffight 88',Boxing History - Mike Tyson erased any doubt that he was the true heavyweight champion when he scored this devastating 1st round KO of Michael Spinks in Atlantic City, New Jersey, 1988. (