In the state championship game, after the coach's mound visit, the scoreboard reads 3 Balls, 2 strikes and 2 outs. Milton proceeds to throw a "strike" that should have been strike three according to the scoreboard but the umpire calls the pitch strike 1. The next pitch was also called a strike which again should have been strike three.
The flag in the Sheriff's office has 48 stars. The 48 star flag was replace in 1959 with the 49 star flag. The next year that was replace with the 50 star flag. A cell phone was used in the movie and cell phones did not come out until 1983. Of course, the sheriff may have just wanted a 48 star flag.
The first time the character is shown throwing a ball, he is left handed. Later he is right handed.
While sitting at the dinner table when the shot changes the mothers head goes from facing her son to facing her husband. It would be impossible for her head to move that fast in between cuts.