Michael Spinks turned professional with a win over Eddie Benson, knocked out in one round on April 17, 1977 in Las Vegas. With that, Spinks began a 31 fight winning streak that would almost extend to the end of his career. After four more wins, Spinks finished '77 with the first fight that began a gradual ascent in opposition quality: an eight-round decision over Gary Summerhays, a popular young boxer of the time. In 1978, Spinks won two fights, including an eight-round decision over former world Middleweight title challenger Tom Bethea, in the same undercard where his brother Leon dethroned Ali as
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