Michael Spinks in 2002, Spinks ranked 41st. East Side Boxing said in its tribute to Spinks, "Michael Spinks went undefeated fighting during the deepest era in Light Heavyweight history. And he beat the real heavyweight champion to win the title, who was also undefeated. Michael Spinks is the most accomplished light heavyweight champion in history." Spinks is the rare top fighter who left the sport with both money and his health and never returned to the ring. Aside from a rare event honoring him and occasionally attending fights, Spinks has largely remained off the boxing scene and out of the public eye.
Michael Spinks and narrow fifteen-round unanimous decision and becoming the first ever world light-heavyweight champion to win the world heavyweight title. His controversial victory over Holmes was named "Ring Magazine" Upset of the Year. With this, Michael and Leon had also become the first pair of brothers ever to be world heavyweight champions, followed two decades later by Wladimir and Vitali Klitschko. In 1986, Spinks and Holmes fought a rematch as part of the heavyweight unification series, and had nearly the same result, this time Spinks winning by a 15-round split decision. After that, he retained the world heavyweight championship once again,