Follows the Boston Red Sox' Tim Wakefield and the New York Mets' R.A. Dickey - the only two major league pitchers who use the unpredictable knuckleball - during the 2011 season.
Follows the Boston Red Sox' Tim Wakefield and the New York Mets' R.A. Dickey - the only two major league pitchers who use the unpredictable knuckleball - during the 2011 season.
