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
Boxing in the 1930s were crowned before Joe Louis began his legendary run as Heavyweight champion in 1937. He retired in 1949, still holding the title of World Heavyweight Champion. Boxing began expanding into Latin America in the 1930s: Sixto Escobar became the first world champion from Puerto Rico by defeating "Baby Casanova", who had also been crowned at the start of the decade. "Baby Arizmendi" conquered the first world title for Mexico in 1934. For his part, "Kid Chocolate" became the first world champion from Cuba. Three world champions won world titles in three different divisions, a feat no single fighter had accomplished