Whom did Ron Lyle and Oscar Bonavena both box?
Oscar Bonavena Oscar Natalio "Ringo" Bonavena (September 25, 1942 – May 22, 1976) was an Argentinian heavyweight professional boxer with a career record of 58 wins, 9 losses and 1 draw. A rugged, wild-swinging puncher, he was nicknamed "Ringo" because of his Beatles haircut, and enjoyed professional success in both Argentina and the United States. He is most famous for giving both Joe Frazier and Muhammad Ali tough battles.
Ronnie Harris (American boxer, born 1948) Ronald Woodson "Ronnie" Harris (born September 3, 1948), nicknamed "Mazel", is an American former boxer, who won a gold medal in the lightweight division at the 1968 Summer Olympics.