Joe Frazier
Boxing great, Joe Frazier died of liver cancer after he was diagnosed with the disease a month earlier.
Before his death, Frazier was the undisputed world heavyweight champion between 1971 and 1973. His last world title challenge came in 1975, but he was beaten by Ali in their brutal rubber match, the Thrilla in Manila. He retired in 1976 following a second loss to Foreman.
