Fighting Icons on Instagram: "Sonny Liston vs. Floyd Patterson II was a professional boxing match contested on July 22, 1963, for the undisputed heavyweight championship. After Liston’s first round stoppage victory over Patterson in September 1962, Patterson had the contractual right to a rematch within a year. The fight was originally set for April 4 in Miami Beach, Florida, but was changed to April 10 following a left knee injury for Liston. It was later moved back to June 27 in Las Vegas, Nev