Charles "Chuck" Wepner is an American former professional boxer. He fell just nineteen seconds short of a full fifteen rounds against world heavyweight champion Muhammad Ali in a 1975 championship fight. Wepner also scored notable wins over Randy Neumann and former world heavyweight champion Ernie Terrell. He was also the last man to fight former undisputed world heavyweight champion Sonny Liston.

Muhammad Ali was an American professional boxer and activist. Nicknamed "the Greatest", he is regarded as one of the most significant sports figures of the 20th century and is often regarded as the greatest heavyweight boxer of all time. He held the Ring magazine heavyweight title from 1964 to 1970. He was the undisputed champion from 1974 to 1978 and the WBA and Ring heavyweight champion from 1978 to 1979. In 1999, he was named Sportsman of the Century by Sports Illustrated and the Sports Personality of the Century by the BBC.