Oscar Bonavena
Oscar Natalio Ringo Bonavena was an Argentinian heavyweight professional boxer with a career record of 58 wins,losses anddraw. A rugged, wildswinging 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.
Oscar Natalio Bonavena was born in Buenos Aires.
Source: Wikipedia