Former college quarterbacks try to learn the knuckleball while competing for a spring-training spot with the Arizona Diamondbacks.
John David Booty
Self - Contestant
David Greene
Josh Booty
Ryan Perrilloux
Kevin Millar
Self - Host
Tim Wakefield
Self - Trainer
Doug Flutie
2005
1999
1983
1998
2012
2008
2009
2004
2015
2017
