In baseball, every infield position is important. The first baseman, second baseman, shortstop, and third baseman work hard to keep the other team from scoring runs. Young baseball fans will learn about the unique roles for each position and what each player must do to help their team win. Colorful photographs show legendary infielders and current stars in action. Readers also learn special exercises to help perfect their skills and become the best infielders they can be.