Continuity mistake: At the end, when they are celebrating, Wesley Snipes jumps into a player's arms. his helmet is on then knocked off but back on again in the next shot. (01:39:05)
Continuity mistake: When Vaughn enters the playoff game, the scoreboard introduces him with a glittery "Wild Thing" display, then reverts to showing the score by the end of his warm-ups. However, when Dorn talks to him on the mound prior to Vaughn's first pitch, the board again shows the glittery display. (01:29:40)
Continuity mistake: In spring training, Lou Brown and the other coach walk over to check out Charlie Sheen's pitching. When Lou says "all right, let's see what you can do," the coaches are pretty much either side of a post supporting the fence, with a "no pepper" sign to their right. When Sheen pitches, the two coaches have suddenly moved about 6 feet over, away from the post, with the no pepper sign directly between them. (00:15:15)
Answer: He just shows up, uninvited. When he arrives, they can't find his name on the list; he's later (comedically) removed from camp in the middle of the night when security carries him out on his bed (while commenting, "This is the guy who wasn't invited to camp"). So, he's relying on his speed and charm to get him a spot on the team... which, of course, ultimately works.