Late-inning arm with usable miss-bat shape
The headline weighs outcome stats (xwOBA, barrels); each bar averages its full strip group below. 100 = best in MLB.
Rolling bands shrink current-season signal toward the preseason prior until the sample earns more weight.
| ERA preseason | 4.32 |
| ERA current pace | 3.30 |
| ERA rolling p50 | 3.78 |
| Observed weight | 53% |
100th = best in MLB.
Stuff+ appears when the current pitch-event scoring artifact includes this pitcher; Arsenal Decomposition remains descriptive support under Stuff+.
Pitch-shape context from this pitcher’s current arsenal snapshot. Hover a pitch to inspect usage, movement, and bat-missing context.
Live snapshot series; true 50/100 PA windows require PA-level logs
Aggregate zone metrics from seasonal Statcast leaderboards.
2026 pitch-level arsenal aggregates; current season takes over after 100 tracked pitches across at least 2 pitch types. Descriptive pitch-type Stuff+ composition. Not a promoted predictive metric.
| Pitch | Usage | Pitches | Stuff+ | Status |
|---|---|---|---|---|
| FC | 52.2% | 352 | 100 | qualified |
| SL | 38.6% | 260 | 104 | qualified |
| CH | 9.2% | 62 | 96 | limited sample |
Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.
| ERA Δ | -0.70 |
| K% Δ | -0.008 |
| Sample | 63.0 IP |
positive regression
| Metric | Point | Range | Half-width |
|---|---|---|---|
| Innings | 34.2 | -- | -- |
| Batters Faced | 148 | -- | -- |
| K% | 26.1% | 20.2% to 34.3% | +/- 7.1% |
| BB% | 10.3% | 6.7% to 14.7% | +/- 4.0% |
| Whiff% | 28.4% | 21.4% to 34.5% | +/- 6.5% |
| HR/9 | 1.23 | 0.23 to 2.03 | +/- 0.90 |
| xwOBA Against | 0.313 | 0.234 to 0.359 | +/- 0.062 |
| Barrel% Allowed | 8.7% | 3.4% to 14.9% | +/- 5.8% |
| ERA | 3.97 | 2.64 to 7.10 | +/- 2.23 |
| FIP | 4.10 | 2.71 to 5.33 | +/- 1.31 |
| WHIP | 1.370 | 1.023 to 1.762 | +/- 0.369 |
| xwOBA | 0.240 |
| K% | 26.4% |
| BB% | 9.1% |
| Barrel | 8.6% |
| xwOBA | 0.268 |
| K% | 21.8% |
| BB% | 9.4% |
| Barrel | 11.7% |
