Michael Spinks of his professional career. Spinks has been inducted into the International Boxing Hall of Fame and the World Boxing Hall of Fame. The International Boxing Research Organization and BoxRec rank Spinks among the ten greatest light heavyweights of all time. Spinks won the 1974 156-pound Golden Gloves Light Middleweight Championship by defeating Wilber Cameron in Denver, Colorado and then took the Silver Medal in the National AAU 165-pound Championship Competition in 1975, losing in three rounds to Tom Sullivan in Shreveport, Louisiana. He rebounded to take the 1976 National Golden Gloves Middleweight championship with a three-round victory over Lamont Kirkland
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