Audio problem: In the scene where Phil starts to cry when he's kissing his wife, you can hear him say "I'm in way over my head" but his lips don't move at all. (00:34:20)
Factual error: Soccer officials are supposed to wear a color that is different than the teams he is officiating. The ref wears a blue shirt when officiating the tigers (who are blue) and then a black shirt when officiating the Gladiators (who are in black). The referee would have worn either his primary yellow for these or red, but never blue or black.
Continuity mistake: When Will's dad has thrown all his darts, he grabs the darts off the board and he and Will begin to chat. The dad throws one dart at the board again, but in the next shot there are two darts on it rather than one.
Continuity mistake: In the scene where Phil and his wife are in the bedroom after Phil accidentally gets hit by Ditka, Phil's wife leads him to the bed and begins to rub his shoulders, then it cuts to the front of Phil and his wife's arms are down around his waist.
Continuity mistake: In the car at the beginning of the movie, when Phil is talking to his wife the tag on his shirt is sticking out. In the following shots the tag is tucked in.
Continuity mistake: In the scene where the mom puts sun screen during one of the games, every tine the switch angles the cream is different.