Sabrina: The Animated Series (1999)

Season 1: Episode 40

Sabrina and Chloe are on the baseball team and except for them the entire team stinks and loses every game, so Sabrina gets a spell from the Spookie Jar to conjure up a couple of players who really can play. After that they start winning games but they score up so many points they start to boot out the other players and take over the team themselves.