Continuity mistake: When Shale gets in the fight in the library, he takes a round to the upper left chest. When he takes the shirt off to reveal the vest there's no bullet and no damage to the vest.
Continuity mistake: When Shale goes to interrogate the guy at the Jai Alai court the guy tries to hit him with the balls. He puts one in his cesta (the scoop on his hand) and it falls out as he tries to launch it but a ball still launches at Shale.
Continuity mistake: Rollie breaks the paddle behind his desk, but later on in the movie you can see it behind him and it's unbroken.
Continuity mistake: At the end of the fight on the beach, the Seminole is too far away to have hit Shale.
Continuity mistake: While Shale is hitting the Wolfson in the Jai Alai facility with the helmet, there is some blood around his head but in the next shot there is blood around the mouth too.
Continuity mistake: The day after Shale's SUV crashes into the house trailer, he is shown driving it to school without a scratch on it.