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
World Heavyweight Wrestling Championship (original version) the sixth longest reigning world heavyweight champion in history behind Bruno Sammartino, Jim Londos, Lou Thesz, Verne Gagne (who all held their world titles for over seven years) and Bob Backlund (who held his for nearly six years). Joe Stecher defeated American Heavyweight Champion Charlie Cutler to become the first widely recognized world heavyweight champion after the retirement of Frank Gotch. On April 15, 1925, Stanislaus Zbyszko defeated previous champion Wayne Munn to win the championship. However, Munn continued to be recognized as the World Heavyweight Champion in Michigan and in Illinois. Ed Lewis defeated Wayne Munn on February 2,