R.A. Dickey and the Zen of the knuckleball

Knuckling Under With Two Speeds: RA Dickey's Two Knuckleballs - Amazin' Avenue

With Phil Niekro's Death, Baseball Has Lost the Knuckleball and Its Master - The New York Times

Better Know the Ballot: R.A. Dickey : r/baseball

R.A. Dickey of the New York Mets: The Rime of the Ancient Knuckleballer, News, Scores, Highlights, Stats, and Rumors

R.A. Dickey and the Zen of the knuckleball

R.A. Dickey and the knuckleball seem a perfect match

Throwing Strikes: My Quest for Truth and the Perfect Knuckleball: Dickey, R.A., Corbett, Sue, Coffey, Wayne: 9780803740372: : Books

R.A. Dickey's knuckleball explained

R.A. Dickey - Untouchable Knuckleball, Part 1