Both Mike Tyson and Michael Spinks 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 while Spinks was the Ring champion and was considered the lineal champion.

Held at the Atlantic City Convention Hall in Atlantic City, New Jersey and promoted as "once and for all",it was the richest fight in boxing history to that point, grossing some $70 million, of which Tyson earned a record purse of around $20 million and Spinks $13.5 million. Tyson won the fight, knocking out Spinks in 91 seconds.

Other memorable events on this day…

1979: Boxing great Muhammad Ali confirms that his third retirement is final. It isn’t. His retirement was short-lived and he returned to fight Larry Holmes.

1992: A 193rd ranked Andrei Olhovsky defeats No.1 seed Jim Courier at Wimbledon.

1993: New York Met pitcher Anthony Young loses record 24th straight game.