The Bleacher Bums: February 22, 2007 Archive

Is the gyroball a myth or a secret weapon?

Posted at 6:02 PM on February 22, 2007 by Ben Tesch

The Japanese Gyroball Mystery
Most major league pitchers throw a fastball, a curveball, a slider and a changeup. Some mix in a sinker. The experimental ones use a knuckleball. None of them throws a gyroball, at least not on purpose.

Is the gyroball a myth, or is it real? And if it is real, what exactly is it? Kazushi Tezuka says he has the answer, and he flew from Japan to the United States this week to reveal it.