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.
Roki Sasaki RHP
2025
733 pitches in sample Change pitcher
733 pitches in sample Change pitcher
733 Pitches
22.3% Whiff %
61.0% Strike %
.355 xwOBA
45.0% Hard-hit %
The arsenal
5 pitch types in sample| Pitch | Usage | n | Velo | Spin | Whiff % | Strike % | xwOBA | Hard-hit % |
|---|---|---|---|---|---|---|---|---|
| FF Four-seam | 49% | 357 | 96.6 | 2103 | 10.9% n=183 | 71.4% | .416 n=111 | 52.3% n=86 |
| FO Forkball | 37% | 271 | 85.3 | 510 | 38.5% n=117 | 52.4% | .253 n=61 | 38.2% n=34 |
| ST Sweeper | 13% | 97 | 81.9 | 1870 | 28.0% n=25 | 45.4% | .322 n=13 | 0.0% n=10 |
| SI Sinker | 1% | 6 | 97.5 | 1952 | 50.0% n=2 | 66.7% | .305 n=3 | 100.0% n=1 |
| UN Unknown | 0% | 2 | 95.0 | 2168 | — n=0 | 100.0% | — n=0 | — n=0 |
| ALLoverall | 100% | 733 | 90.5 | 1481 | 22.3% n=327 | 61.0% | .355 n=188 | 45.0% n=131 |
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