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 vs. George Foreman match with Riddick Bowe, and relinquished his IBF title on June 28, 1995. Foreman would continue to be recognized as the "Lineal" Heavyweight champion until losing to Shannon Briggs on November 22, 1997. After Foreman was stripped of the IBF title, Schulz met Francois Botha for the now-vacant title. Botha would win the match, but tested positive for steroids after the fight and was stripped of the title. As such, Michael Moorer was given another chance at the title and would face Schulz for the once again vacant title. In a close match, Moorer was able to recapture the IBF