1 Season
4 Episode
The Next Knuckler - Season 1 Episode 2 (2013)
Four former quarterbacks remain in the competition to learn the knuckleball and attend Diamondbacks spring training.
- Country : United States of America
- Genre : Reality
- Studio : MLB Network
- Director :
- Cast : John David Booty, David Greene, Josh Booty, Ryan Perrilloux, Kevin Millar, Tim Wakefield
