The difference between the two pitches, 4 seam fastball generally produces a higher velocity and continues on a straighter path towards home plate. The 2 seamer depending on the pressure you apply on the seams with either finger gives the pitch the ability to have more movement. The 2 seam demands more attention to perfecting because its more difficult to command.

Jason Greene
Baseball | Gulf Breeze, FL
August 08, 2017
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