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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.

Justin Wrobleski LHP
2025 · SL
291 pitches in sample
Change pitcher
291 Pitches
23.8% Whiff %
68.0% Strike %
.232 xwOBA
44.4% Hard-hit %
Season
Vs batter
Velo band to mph Dates to
Reset all Season and handedness apply on click. Velo / dates apply on “Apply”.

The arsenal

1 pitch type in sample
Pitch Usage n Velo Spin Whiff % Strike % xwOBA Hard-hit %
SL Slider 100% 291 87.7 2442 23.8% n=164 68.0% .232 n=81 44.4% n=54
ALLoverall 100% 291 87.7 2442 23.8% n=164 68.0% .232 n=81 44.4% n=54
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