Being a professional baseball player is hard work. Most start playing the sport at a young age. They play in different leagues, and the best players make it to Major League Baseball (MLB). Once players go pro, they keep working to stay healthy and in shape. They need to be ready for the long baseball season. Players hope to one day win the World Series. This book takes a look at what it's like to play pro baseball. You'll learn about: How players work their way up to MLB, How players get ready for each game, How players connect with fans and support charities Book jacket.