Motivated by her love for the game and inspired by the legendary Jackie Robinson, Mamie Johnson is determined to be a professional baseball pitcher. But in a sport that's determined by white men, there is no place for a black woman. Mamie doesn't give up-from the time she insists on trying out for the all-male, all-white Police Athletic League until she realizes her dream and becomes one of three women to play in the Negro Leagues. Mamie Johnson's...