Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Marvis Edwin Foley is a former Major League Baseball catcher and coach, former minor league baseball coach and manager, and current minor league baseball instructor. In the majors, he played all or part of five seasons, between 1978 and 1984, for the Chicago White Sox and Texas Rangers. He is the only manager ever to win league championships in all three major Triple-A leagues (International League, American Association and Pacific Coast League).