It was in the New York City area in the mid-nineteenth century that various pitching styles were invented, developments that changed baseball history. In 1883, the Giants became a powerhouse, hiring the finest pitchers in the country. In the twentieth century, the talent pool kept changing, but the quality did not. Christy Mathewson, "Iron Man" McGinnity, and Rube Marquard all won more than two hundred games in the majors, and each played a part in...