Barry McGee, hit-away batter for the Peach Street Mudders, enjoys winning so much that he has a tendency to bend the rules; then the dirty tactics of the pitcher on a rival team give him a new perspective on sports ethics.

Jose Mendez is the best fielder on the Peach Street Mudders baseball team. But that's not enough for him. He wants to be a great batter, too, just like his father was when he played in the minor leagues. But every time Jose picks up the bat, disaster strikes. Will Jose ever be able to match his dad's .375 batting average? Or can he discover another way to be a hit with his father?

While trying to ask Uncle Pete to coach for the Peach Street Mudders, Zero discovers that he can throw a slider when there's a big bandage on his injured thumb.

Nicky is on his way to breaking the record for most runs batted in, but first he must overcome his superstitions, and someone who doesn't want to see the old record broken.

Mudders' catcher Rudy Calhoun is having a bad season behind the plate until, at a yard sale, he buys a used catcher's mask that greatly improves his playing.