Boxing in the 1970s was world champion when Ali returned. Former world champions Jimmy Ellis and Floyd Patterson as well as George Foreman, Oscar Bonavena, Jerry Quarry, Earnie Shavers, Leon Spinks, Ken Norton, as well as Larry Holmes, Ron Stander, Chuck Wepner, Jose King Roman, Light Heavyweight champ Foster, John Tate, Jimmy Young, Ron Lyle, Joe Bugner, Scott LeDoux and many others added intrigue to the division. Don King surged as a leading boxing promoter, and champions Duran, Monzon and Ali had historic rivalries with Esteban De Jesús, Rodrigo Valdez and Frazier, respectively. Boxing in the 1970s During the 1970s, boxing was characterized by
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.