I can't decide between Rocky and The Karate Kid, I love them both :-)
I think rocky deserves the nod , even if Karate Kid is a close second... Inferno a.k.a Desert Heat (the Van Damme movie9 has great music too but Conti sounds very familiar here from his Lock Up score (listen to the main theme to Lock Up , then the theme in Inferno...)
Rocky 5 I really dont remember the score too, only the awful rap music or hipp hopp or what that ghetto music was...