Rocky goes into a bar whose sign reads Los Amigo's. This is the equivalent of a sign saying The Friend's.
As Rocky drives away after dropping Nancy off at work, the cameraman and camera are reflected in the car's rear window glass.
When Rocky is shot at upon his return to the trailer, Delong comes out dressed in his night-gown wearing his prosthetic leg. A person with a false leg would take it off when he is sleeping.