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
Mike Tyson vs. Michael Spinks in "two to three rounds". Former world champions Jake LaMotta and Billy Conn and trainers Gil Clancy, Angelo Dundee and Richie Giachetti all picked Tyson to win by knockout, as did Gerry Cooney and Dan Duva. Ray Arcel thought Tyson would win on points. IBF middleweight champion Frank Tate gave Tyson the edge, while trainer Lou Duva felt that Tyson would ultimately have too much power for Spinks. James Smith, who had lost a decision to Tyson the previous year, said that for Spinks to win he would "need to take me in the ring with him." Emmanuel Steward's prediction