On Saturday, I attended a screening of Knuckleball! at the Tribeca/ESPN Sports Film Festival. The documentary, by award-winning filmmakers Ricki Stern and Annie Sundberg, follows knuckleballers R.A. Dickey and Tim Wakefield during the 2011 season. Stern and Sundberg also tell the story about how both pitchers came to embrace and master this unique pitch. Charlie Hough, Phil Niekro, Jim Bouton and long-time White Sox [...]