California State Games: Trackman Pitching

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[For a complete glossary of terms and definitions, CLICK HERE]

Max Fastball Velocity

The maximum velocity of the pitch measured right at release.

Max Fastball Spin Rate

The max amount of revolutions per minute (rpm) of a pitch. For fastballs, a higher rpm causes the ball to drop less due to gravity, this gives the illusion of a rising pitch.

Max Curveball Velocity

Like many things in baseball, the faster the better. A fast off-speed pitch while maintaining traditional movement patterns makes the pitch harder to hit. The measured velocity for this metric is right as the pitch leaves the hand.

Max Curveball Spin Rate

The spin rate for a curveball tends to be the highest among all the pitches in a pitcher's arsenal. A higher spin rate, measured in rpms, on a curveball generally means more downward movement when combined with the top spin of the pitch.

Max Slider Velocity

Sliders generally are faster than most other off-speed pitches with less overall movement. This metric measures the speed of the slider when it comes out of the hand.

Max Slider Spin Rate

The higher the spin rate for a horizontal pitch like the slider means that it will have more movement from right to left for a right handed pitcher. This metric measures the maximum spin rate of a pitcher's slider in rpms.

Max Changeup Velocity

This metric determines the speed of a changeup as it is released from the pitcher's hand.

Max Changeup Spin Rate

This metric shows how fast the ball is spinning during the pitch, measured by rpms.

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