Edge Labs · Research

Pitcher Lab

A pitch-level explorer over Statcast for one pitcher. Search an arm, set the filters, and read the arsenal: usage, velo and spin, whiff %, strike %, xwOBA against, and hard-hit %. Every number shows the sample (n) behind it. Research and context, you decide.

Ian Seymour LHP

2023-25
999 pitches in sample Change pitcher

999 Pitches

24.4% Whiff %

65.4% Strike %

.308 xwOBA

37.8% Hard-hit %

The arsenal

8 pitch types in sample

Pitch	Usage	n	Velo	Spin	Whiff %	Strike %	xwOBA	Hard-hit %
FF Four-seam	32%	317	91.6	2215	19.5% n=164	68.1%	.331 n=70	45.0% n=40
CH Changeup	31%	314	83.6	1713	32.4% n=173	65.0%	.272 n=90	32.7% n=55
FC Cutter	21%	214	88.3	2154	17.3% n=98	65.9%	.339 n=46	44.7% n=38
ST Sweeper	5%	54	81.0	2143	32.0% n=25	63.0%	.265 n=17	27.3% n=11
SI Sinker	5%	54	90.7	2026	13.3% n=15	55.6%	.419 n=10	28.6% n=7
SL Slider	3%	26	82.7	2132	41.7% n=12	57.7%	.184 n=5	0.0% n=3
CU Curveball	2%	16	74.4	1979	0.0% n=5	56.3%	.529 n=2	50.0% n=2
UN Unknown	0%	4	79.2	1415	— n=0	100.0%	— n=0	— n=0
ALLoverall	100%	999	87.2	2023	24.4% n=492	65.4%	.308 n=240	37.8% n=156

Whiff % = whiffs ÷ swings · Strike % = strikes ÷ pitches · xwOBA = avg expected wOBA on contact · Hard-hit % = 95+ mph ÷ batted balls · n shown on every rate · descriptive context, not a pick