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.
The film was poorly received by critics and disliked by Adam Sandler fans, mostly due to the depiction of a young Donnie having an underage sexual relationship with Mary, which is a crime. Sean Anders won Hall of Shame at the 2013 Alliance of Women Film Journalist. The film came 2nd place as worst film at the Houston Film Critics Society Awards in 2013. The film won obviously worst film at the Oklahoma Films Critics Circle Awards in 2013 and the film won 4 awards at the Razzie Awards in 2013, which Adam Sandler won worst actor. The film won worst screenplay. Adam Sandler, Leighton Meester, Andy Samberg and Susan Sarandon won Worst Screen Couple. Nick Swardson and Vanilla Ice both won worst supporting actor.
Todd (aka Han Solo) was born while his mother was serving a jail sentence for statutory rape. Todd's bride Jamie is played by Leighton Meester, who in real life was born while her mother was serving a jail sentence for drug smuggling.
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 fiancé before the wedding. As the story goes on, it was indeed bad luck for Todd to find his fiancé cheated.
Tubby Tuke (the obese runner in the marathon) finished at 2:01:37 ( two hours , one minute, thirty-seven seconds), which would be a best ever time for a marathon, beating the next fastest time EVER, by over a minute ( the record time is 2:02:57. A marathon race is 26 miles, 385 yards.