Knuckleball (2007) 2007, Documentary, United States Knuckleball (2007) Duration: 1H4M Description: Knuckleball is the story of Brett Leake who was diagnosed with Muscular Dystrophy at 13. With the support of his family, he has become a nationally recognized comedian appearing on The Tonight Show with Jay Leno five times… Trailer ↗ United States 2007 Documentary