TOR@PHI: Dickey throws a 102-mph knuckleball!
Knuckleheads: The 1945 Senators and the First All-Knuckleball Rotation
Knuckleball - Wikipedia
Unpredictable and unmanly: baseball's fear of the knuckleball, Baseball
In baseball, the knuckleball is quickly disappearing - The Washington Post
The Knuckleball Isn't Dead Yet - The Ringer
The Knuckleball Can Devastate, So Why Don't All Pitchers Throw It? : The Two-Way : NPR
Seattle Mariners' George Kirby Goes Viral For Throwing Insane Knuckleball in Season Finale vs. Texas Rangers - Fastball
The Knuckleball Isn't Dead Yet - The Ringer
Former MLB Red Sox knuckleball pitcher Wakefield dead at 57
The Knuckleball: Hard to Throw. Hard to Hit - Jugs Sports
As MLB cracks down on spin rates, Orioles bring Mickey Jannis and his knuckleball into the fray
At Little League World Series, curveballs are dominating - The Washington Post
Knuckleball! (2012) - IMDb