Michael Spinks world Heavyweight champion in Las Vegas. 1979 saw Spinks get less than three minutes of boxing action inside a ring, with his only fight ending in a first round knockout of Marc Hans, but in 1980, Spinks took his ascent towards the top to another level, when he beat future IBF super-middleweight champion Murray Sutherland, David Conteh, and fringe contenders Ramon Ronquillo and Alvaro Yaqui Lopez (who challenged for a world title four times). Of his five wins that year, three came by knockout, Sutherland and Johnny Wilburn being the only ones who lasted the distance. By 1981, Spinks was
Mike Tyson vs. Michael Spinks was "Tyson, Tyson, Tyson." Another former heavyweight champion, George Foreman, also predicted a Tyson win. Muhammad Ali thought Spinks would win, as "he hits hard enough, he'll stick and move, he's fast on his feet, and he'll keep his distance." Tony Zale and sportswriter Bert Sugar backed Spinks to out-box Tyson. Dave Anderson of the "New York Times" wrote that Spinks would win, "probably in a 12-round decision. But possibly in a late-round knockout." Reigning WBA welterweight champion Marlon Starling, veteran announcer Don Dunphy and Tyson's former trainer Teddy Atlas also favoured Spinks. Contender Meldrick Taylor felt Tyson would win