Table 2.

Summary of Kendall Rank Correlation Coefficient and P Values for Each Pitch Type ^a

	Changeup	Curveball	Cutter	4-Seam	2-Seam	Sinker	Slider
Percentage thrown
τb	0.371	0.486	–0.333	0.276	–0.010	–0.200	–0.200
P	.060	.013	.093	.166	>.999	.322	.322
Velocity
τb	0.010	0.029	–0.352	–0.657	–0.429	–0.352	–0.524
P	>.999	.921	.075	<.001	.029	.075	.008
Spin
τb	–0.124	0.067	0.410	–0.581	0.029	–0.067	0.162
P	.553	.767	.038	.003	.921	.767	.429

^aP values were calculated using the Mann-Kendall trend test for monotonic trends. Bolded values indicate statistical significance (P < .05).