Other mistake: When Ricky is pinned to the table and has his arm broken by Jean, he has the bone between his elbow and shoulder broken. However, when they show him trying to saw off the cast with a knife, it ends right above his elbow.
Other mistake: When Ricky is in the hospital, asleep in the bed, his heart rate stays at a constant "69" beats per minute. The number doesn't even spike when Cal tries to smother him with a pillow.
Other mistake: At the beginning of the first race when Ricky takes over, he puts his suit on, and the helmet he puts on already has his name on it.