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.
Baseball player Jos Mendez worries about his poor performance with the bat and fears disappointing his father, a former ballplayer with an outstanding batting average.
After he gets hit by a fast-moving ball, Turtleneck Jones loses his confidence on the baseball diamond and sees his position at first base given to another player.
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.
Bus Mercer, shortstop for the Peach Street Mudders, wants desperately to be picked for the county all-star team, but he breaks his parents' rules for riding his new bike, and feelings of guilt affect his game.
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.
