Born to Fight (1936)

An honest boxer refuses to throw a fight for a gambler They get into a fight and the boxer knocks the gambler out Thinking hes killed him and believing that the police are after him the horrified boxer runs off and takes to the road promising never to box again However one day he comes upon a small but scrappy young kid who has the potential to be a champion The former boxer takes the kid under his wing and trains him but the kids ensuing success starts to go to his head Pretty soon he finds himself mixed up with gamblers too