Four-seam fastball

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A four-seam fastball, also called a rising fastball, a four-seamer, or a cross-seam fastball, is a pitch in baseball. It is a member of the fastball family of pitches and is usually the fastest ball thrown by a pitcher. It is so called because with every rotation of the ball as it is thrown, four seams come into view. It is often compared with the two-seam fastball.

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