Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Juan Antonio Guerrero de la Cruz (born February 1, 1967 in San José de los Llanos, Dominican Republic) is a former professional baseball player. He played 79 games for the Major League Baseball Houston Astros in 1992, mostly as an infielder. 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.