Tommy Riley's TV has black pen writing on it, written by his dad's debt collectors. The black pen writing changes formation from the scene where it was written on the TV, and where Tommy's dad John left for his new job.
Before Marshall's first fight with the "Black Death", his friend Romano warns him to watch for his right punch. Then, right before the fight starts, his ringside coach tells him to beware of his left punch.
Obvious fake in place for Cuba Gooding, Jr.; when Jimmy strikes Haines out from the ring.
When Riley punches Horn on the top of the head Horn says the skull is the hardest bone in the body. Actually the Femur (thigh bone) is!