Popeye: Out To Punch (1956)

The mos famous sailor in the world wants to be Muhammad Ali, that's why he is training in full force for a boxing match with Bluto. Training is hard, it even includes jumping rope with a massive chain. Bluto hates training, and his lazy ass would rather sabotage Popeye's hard work than to work out on his own.

Classic animated toon in Public domain.