In the beginning of the film, when they show Rob Lowe playing as a teen, he is shooting left handed. But Dean is then shown right handed when shooting throughout the rest of the film.
In the fight scene, at end of movie between Racki and Youngblood. Youngblood pulls Racki's jersey over his head onto his arms, then punches Racki to the ice. When Racki is on the ice he isn't wearing his jersey anymore, then when he gets back up, Racki takes his jersey completely off.
The semi-final game between Toronto and Hamilton takes place when high school students are in study hall. No Canadian Major Junior Hockey playoff game takes place during the day on a weekday. Games take place in the evening or on weekends.
With three seconds left in the game, the clock reads 15:57 in the third period.
The street scene outside the book store takes place in Hamilton Ontario, however a garbage can on the sidewalk is clearly labeled "Borough of East York" (a former Borough located in the City of Toronto).
When Referee Hannah goes to the timekeepers box to signal/report that a penalty shot has been awarded to Hamilton, there are no game officials (scorer, timekeeper etc.) in the timekeepers box. The only person present is a police officer when Referee Hannah reports the penalty shot.