Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. John Aloysius Doyle (born in 1858 in Halifax, Nova Scotia - died December 24, 1915 in Providence, Rhode Island) was a Major League Baseball pitcher. Doyle pitched in 3 games for the St. Louis Brown Stockings in 1882 and lost all 3 of them. Major League Baseball (MLB) is the highest level of professional baseball in the United States and Canada, consisting of teams that play in the National League and the American League. The two leagues merged in 2000 into a single MLB organization led by the Commissioner of Baseball after 100 years as separate legal entities.