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
Michael Spinks win the heavyweight title. "The Ring" Magazine in 2002 ranked Spinks as the third greatest light-heavyweight of all time, behind Ezzard Charles and Archie Moore, but ahead of Tommy Loughran, Bob Foster, Harold Johnson, Maxie Rosenbloom and Billy Conn. Furthermore, Spinks did what no other light-heavyweight champion was ever able to do: move up to win the world heavyweight championship, by decisioning IBF champion Larry Holmes in 1985. On "The Ring" Magazine's list of 100 greatest punchers of all time, Spinks was ranked 42nd. On "The Ring" Magazine's list of the 80 Best Fighters of the Last 80 Years, released