Revealing mistake: In the scene where Romeo and Roy snap all the clubs other than the 7-iron, Roy drops his golf ball onto the grass. However, when he hits the ball, a white tee can be seen travelling up towards the top left of the screen. The tee can easily be seen but is much clearer in slow motion.
Tin Cup (1996)
1 revealing mistake - chronological order
Starring: Kevin Costner, Cheech Marin, Rene Russo, Don Johnson
Continuity mistake: When Molly comes for her first golf lesson, Costner takes the last bite of his hot dog. In the next scene, he still has some of the hotdog left.
Roy 'Tin Cup' McAvoy: Sex and golf are the two things you can enjoy even if you're not good at them.
Trivia: Kevin Costner made most of his own golf shots in this film.