In the baseball scene, the bat Donny is using has the numbers 5150 on it. 5150 is the name of an album by rock band Van Halen who have three songs played during the movie. 5150 is also a California police term for a mentally disturbed person (a reference to Section 5150 of the California Welfare and Institutions Code).
Eva Amurri Martino, the young Mary McGarricle, also plays a young Helen in Dead Man Walking. Susan Sarandon, the older Mary McGarricle, also plays Sister Helen in Dead Man Walking. Sarandon is Amurri Martino's mother.
as a big Patriots fan. In real life, he is the former head coach of the New York Jets and the current head coach of the Buffalo Bills. Both the Jets and Bills are divisional rivals of the New England Patriots.
The trivia items below may give away important plot points.
After Ms. McGarricle is sentenced to 30 years in prison, several newspaper articles and magazines are shown rapidly mentioning Donny and his teacher. The first news article seen reads 30 YEARS! "Our Love Is Real" -Ms. McGarricle.. The actual story under this headline has nothing to do with the movie, it's actually a part of a book called The Scarlet Plague by Jack London.
During the movie, when Todd saw Jamie in her Vera Wang wedding dress, he told her that it would be bad luck for him to view the dress fitted on his fiance before the wedding. As the story goes on, it was indeed badluck for Todd to find his fiance cheated