Legendary Major League baseball knuckleballers gather during a ceremony announcing the premiere of the documentary film "Knuckleball!" at Boston City Hall, Tuesday, Sept. 18, 2012 in Bo

 

              Legendary Major League baseball knuckleballers gather during a ceremony announcing the premiere of the documentary film "Knuckleball!" at Boston City Hall, Tuesday, Sept. 18, 2012 in Bo
Legendary Major League baseball knuckleballers gather during a ceremony announcing the premiere of the documentary film "Knuckleball!" at Boston City Hall, Tuesday, Sept. 18, 2012 in Boston. From left are Wilbur Wood, Phil Niekro, Tim Wakefield and Charlie Hough. Boston Mayor Tom Menino proclaimed Sept. 18th Knuckleball! Day in the city. (AP Photo/Charles Krupa)