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Knuckleball!
- År: 2012
- Land: United States of America
- Genre: Documentary
- Studio: Break Thru Films, Major League Baseball Productions, How Am I Doing Productions, New Mexico Media Partners
- Nøgleord: sports, baseball, woman director
- Direktør: Anne Sundberg, Ricki Stern
- Cast: Tim Wakefield, R.A. Dickey, Charles Hough, Phil Niekro, Jim Bouton