Pitch ClassificationThe curveball is a type of pitch in baseball thrown with a characteristic grip and hand movement that imparts forward spin to the ball causing it to dive (i.e. "break") in a downward path as it approaches the plate.This pitch is thrown with topspin which creates a higher pressure zone on top of the ball, which deflects the ball downward in flight. … [Read more...] about Pitch Movement – Curveball