Revealing mistake: When Dustin Hoffman dies at the end of the film, if you look closely at his chest you can see him breathing.
Revealing mistake: At the end on the bus ride to Miami, when Ratso Rizzo dies and Joe Buck uses his hand to close Ratso's eyes, Ratso's left eye flinches.
Answer: Probably not. The man was a masochist who derived sexual pleasure from being physically abused. Joe apparently crammed the phone receiver into the man's mouth and left, unknown if he died from it or not.