Oscar Bonavena, Argentinian boxer (died 1976)

Oscar Natalio "Ringo" Bonavena was an Argentine 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 remembered for giving Joe Frazier and Muhammad Ali hard-fought bouts.