<P> In the ensuing years following the film's release, Stallone acknowledged that the injury Rocky suffers subsequently forcing him to retire, referenced in the film as a potentially lethal form of' brain damage', was inaccurate . Stallone stated that having discussed the story with many boxing medical professionals, the injury Rocky suffered was a milder form of brain damage, similar to that of a long term concussion that many boxers suffer from and by modern - day standards are still able to gain licenses to box and would not have prevented Rocky from gaining a license to box nor killed him . </P> <P> Tony Burton briefly reprises his role as Duke at the beginning of the film . However, during his scenes, Rocky refers to him as "Tony". In the credits, Burton is credited as playing "Tony", as opposed to "Duke" (possibly to avoid confusion with the George Washington Duke character). Rocky V is the second time in the series to do so, with the first being Rocky II as Apollo asked "What are you afraid of, Tony?" Rocky Balboa names Burton's character, "Duke Evers". Most fans take this to imply that his name is Tony "Duke" Evers . </P> <P> Sage Stallone, Sylvester's real - life son, portrays his character's son in the film . However, in Rocky IV, he was portrayed as a nine - year - old child whereas Sage was 14 at the time of filming, making him a teenager in this film despite Rocky V taking place just days after the events of Rocky IV . </P> <P> The soundtrack album is not the original motion picture score, but rather has music from and inspired by the film . This soundtrack features Joey B. Ellis, MC Hammer, 7A3, MC Tab, Rob Base, and Bill Conti . Most of the soundtrack album contains rap music, rather than the Bill Conti score . Also, two of the scores from Rocky IV were featured in this film's trailer, but were not present in the actual film or soundtrack . "Measure of a Man" was written by Alan Menken and performed by Elton John . </P>

Why is rocky's son older in rocky 5
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