Mike Tyson vs. Michael Spinks the sport a month later. The Tyson fight was the only loss of his professional career. Tyson also spoke of retiring, hinting that "this may be my last fight." The win over Spinks has been described as the pinnacle of Tyson's boxing career. It was also his last fight under longtime trainer Kevin Rooney, who was dismissed by Tyson in December. Tyson made two more successful title defences before losing to James 'Buster' Douglas in a major upset in 1990. He continued fighting until 2005, but was unable to replicate his earlier achievements. Tyson and Spinks have both been inducted
Michael Spinks only fighter to floor Spinks. It would be Spinks's first defeat in the professional ring, as well as his last, as he retired following the fight. Spinks had a record of 31 wins and 1 loss, with 21 wins by knockout as a professional. In addition to his success as a heavyweight, Spinks is generally considered one of the greatest light-heavyweight champions and fighters of all time. He was the only light-heavyweight champion to remain undefeated in the entire history of the division since its inception in 1903 (until Joe Calzaghe), as well as the only reigning light-heavyweight champion to