What is jimmy doyle cause of death?

Jimmy Doyle was a professional boxer who died on August 8, 1947, at the age of 22. He died as a result of injuries sustained in a boxing match against Sugar Ray Robinson for the Welterweight championship in Cleveland, Ohio. Robinson knocked out Doyle in the eighth round, and Doyle was unable to regain consciousness and later died in hospital due to severe brain injuries. The tragic incident highlighted the dangers of boxing and led to increased safety measures and regulations in the sport.