Graph of the Day: Average Spin Movement


As frequently discussed, here are the average spin movements of the five "typical" pitches. The middle/lower chart combines the LHP/RHP versions for an easier comparison. It's all one image, click to enlarge, shown from catcher's view, values are in inches.

Spinavg_medium

Raw numbers (pfx values are in inches)

LHP pfx_x pfx_z mph RHP pfx_x pfx_z mph
Change 7.5 6.0 81.2 Change -6.2 5.0 83.3
Curve -4.1 -5.2 75.1 Curve 5.2 -4.8 77.3
Sinker 8.2 6.2 87.0 Sinker -7.9 4.8 89.9
Fastball 5.5 9.2 90.7 Fastball -5.1 8.5 91.8
Slider -1.3 1.7 82.3 Slider 2.2 2.2 84.3

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