Near the start, when the kid is holding the card of Babe Ruth in his hand, the position of his fingers on the card changes between shots.
In the movie, Lou Gehrig concludes his farewell speech with the famous line "I consider myself the luckiest man on the face of the earth". However, in real life, he continued after this point. The last lines of his speech were "And I might have been given a bad break, but I've got an awful lot to live for. Thank you."