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 | 5.36 |
| ERA current pace | 5.12 |
| ERA rolling p50 | 5.27 |
| Observed weight | 40% |
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 |
|---|---|---|---|---|
| SL | 55.9% | 222 | 99 | qualified |
| FB | 44.1% | 175 | 99 | limited sample |
Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.
| ERA Δ | +0.13 |
| K% Δ | -0.003 |
| Sample | 36.0 IP |
positive regression
| Metric | Point | Range | Half-width |
|---|---|---|---|
| Innings | 34.3 | -- | -- |
| Batters Faced | 150 | -- | -- |
| K% | 25.1% | 16.6% to 32.5% | +/- 8.0% |
| BB% | 8.9% | 5.2% to 13.5% | +/- 4.1% |
| Whiff% | 26.3% | 20.2% to 33.9% | +/- 6.8% |
| HR/9 | 1.29 | 0.36 to 2.67 | +/- 1.15 |
| xwOBA Against | 0.330 | 0.266 to 0.391 | +/- 0.062 |
| Barrel% Allowed | 8.3% | 3.0% to 13.4% | +/- 5.2% |
| ERA | 4.99 | 2.06 to 9.42 | +/- 3.68 |
| FIP | 3.88 | 2.45 to 5.60 | +/- 1.58 |
| WHIP | 1.322 | 1.037 to 1.859 | +/- 0.411 |
| xwOBA | 0.302 |
| K% | 22.7% |
| BB% | 8.9% |
| Barrel | 10.1% |
| xwOBA | 0.293 |
| K% | 20.9% |
| BB% | 7.5% |
| Barrel | 8.4% |
