Baseball Articles

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In 2019, MLB four-seam fastball spun at roughly 2300 rpms; however, the most effective four-seamers averaged well above that mark. Given the nature of the...

Spin rate, or raw spin, measures the overall revolutions per minute (rpm) of a pitched ball by adding together the amount of backspin, topspin, sidespin, and...

There are two release measurements that affect the overall movement profile of a given pitch: spin direction and gyro degree. While both are measured at...