Factual error: When the coach explains to Jesse why he did not make the 1924 Olympics in Paris, he tells of crashing a Stearman aircraft. That was impossible, as the Stearman Aircraft Company was not founded until 1927.
Factual error: When Vinny Panzienza has his cervical halo brace removed (without anesthetics), he yells and groans and grunts in pain, but his hands are relaxed on the arms of the chair. I can tell you, from experience with this exact situation, the pain is so intense that his hands should have been clenched as tight as a vise.