Do Japanese pitchers, including Daisuke Matsuzaka, a FEB 23 2007
Do Japanese pitchers, including Daisuke Matsuzaka, a new member of the Boston Red Sox, have an extra pitch called the gyroball? "The pitch started on the same course as a changeup, but it barely dipped. It looked like a slider, but it did not break. The gyroball, despite its zany name, is supposed to stay perfectly straight." Nice accompanying infographics as well.