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 Moorer their professional relationship. He replaced him with Freddie Roach. On November 8, Moorer lost his IBF title in a unification match with WBA champion Evander Holyfield. Moorer was knocked down five times before ringside doctor Flip Homansky advised referee Mitch Halpern to stop the bout in round eight. After this, he retired from boxing for three years before returning with a knockout of journeyman Lorenzo Boyd. Moorer had began drinking heavily and weighed 270 pounds. During his comeback he won three more fights, then seemingly retired again when he was knocked out only 30 seconds into round one by David