In an interview with Howard Stern, Adam Sandler said he specifically cast David Spade and Rob Schneider to force them to work together in order to smooth over a rift that the two had with each other.
Cincinnati Reds pitcher Jon Moscot was a 14-year-old extra in the film. He was not credited, as his parents were concerned his college eligibility could be adversely impacted. Moscot has said that he gave up seven home runs to Rob Schneider during the filming.
The issue with the player with the fake birth certificate is based on a real event. Danny Almonte, originally from the Dominican Republic, playing for a U.S. team from New York City was found to be too old. He was actually 14, not 12, the cut-off age. He had a forged birth certificate. His team had won their regional competition and were eliminated in the semifinals of the Little League World Series but, as a result of the scandal, the entire team was disqualified, had their records erased, and the coach banned for life from Little League baseball.
The stadium built for the final game features architectural details borrowed from several Major League parks: Yankee Stadium since the 1970s (the "wedding-cake" trim on top of the bleachers' wall), Wrigley Field (the brick-and-ivy fences), Fenway Park (the Green Monster fence), and Chase Field (the pool area behind right field).
Jackie Sandler: The woman that confronts Richie about the "Lesbian Sex Scenes" is Adam Sandler's wife.