Legendary Major League baseball knuckleballers Phil Niekro, right, and Tim Wakefield, left, instruct children on how to throw a knuckleball during a ceremony announcing the premiere of

 

              Legendary Major League baseball knuckleballers Phil Niekro, right, and Tim Wakefield, left, instruct children on how to throw a knuckleball during a ceremony announcing the premiere of
Legendary Major League baseball knuckleballers Phil Niekro, right, and Tim Wakefield, left, instruct children on how to throw a knuckleball during a ceremony announcing the premiere of the documentary film "Knuckleball!" at Boston City Hall, Tuesday, Sept. 18, 2012, in Boston. Boston Mayor Tom Menino proclaimed Sept. 18th Knuckleball! Day in the city. (AP Photo/Charles Krupa)