Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Jeff Tabaka (born January 17, 1964 in Barberton, Ohio), is a retired professional baseball player who pitched in the Major Leagues from 1994-2001. He played collegiately at Kent State University from 1983-1986. 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.