No doubt aware that the three knockdown rule was in effect, Ali refused to go to a neutral corner and pounced on noodle-legged Bonavena the second he arose. Oscar Natalio "Ringo" Bonavena (September 25, 1942 – May 22, 1976) was an Argentine heavyweight professional boxer with a career record of 58 wins, 9 losses and 1 draw. He is most famous for giving both Joe Frazier and Muhammad Ali tough battles.

Bonavena was shot once in the chest by a bullet from a high-powered hunting rifle. Oscar Natalio "Ringo" Bonavena (September 25, 1942 – May 22, 1976) was a 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. 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.

With Muhammad Ali, Ringo Bonavena, Drew Bundini Brown, John Condon. Bonavena’s body was found outside a locked gate of the Mustang Ranch Brothel, legal house of prostitution, where the fighter had been residing in a mobile home since coming to the United States … Oscar Bonavena of Argentina, once a serious contender for the heavyweight boxing championship, was shot to death yesterday at a brothel a few … He was 33 years old. Ali won the bout, his first at the current Madison Square Garden, through a technical knockout in the 15th round. He is remembered for giving Joe Frazier and Muhammad Ali hard fought bouts. Oscar Bonavena of Argentina, once a serious contender for the heavyweight boxing championship, was shot to death yesterday at a brothel a few miles east of Reno, Nev. Directed by Andy Sidaris. Heavyweight boxers Muhammad Ali and Oscar Bonavena fought at Madison Square Garden in New York City on December 7, 1970.

Muhammad Ali vs Oscar Bonavena - Short Documentary - YouTube Oscar Bonavena, 33, was found shot to death at the famed Mustang Ranch bordello on May 22, 1976, in Virginia City, just outside of Reno, Nevada.A ranch security guard, Willard R. Brymer, 31, was arrested and charged with Bonavena's murder.

Oscar rose but that single blow, with all of Ali’s 212 pounds behind it, had dissolved what remained of Bonavena’s energy and resolve.