Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Lawrence Paul Casian (born October 28, 1965 in Lynwood, California), is a retired professional baseball player who pitched in the Major Leagues from 1990-1998. He is currently an assistant coach for the baseball team at the University of Portland. 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.