Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. James McKeever (April 19, 1861 in St. John's, Newfoundland and Labrador - August 19, 1897 in Boston, Massachusetts), was a Major League Baseball catcher. He played for the Boston Reds in 1884. On August 19, 1897, Mckeever died of Brain 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.