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 | 3.70 |
| ERA current pace | 2.43 |
| ERA rolling p50 | 3.18 |
| Observed weight | 41% |
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 |
|---|---|---|---|---|
| SI | 55.6% | 153 | 106 | limited sample |
| SL | 34.5% | 95 | 100 | limited sample |
| FC | 9.8% | 27 | 97 | limited sample |
Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.
| ERA Δ | -1.11 |
| K% Δ | +0.070 |
| Sample | 42.3 IP |
positive regression
| Metric | Point | Range | Half-width |
|---|---|---|---|
| Innings | 38.2 | -- | -- |
| Batters Faced | 180 | -- | -- |
| K% | 22.3% | 12.5% to 28.5% | +/- 8.0% |
| BB% | 9.5% | 5.1% to 13.2% | +/- 4.1% |
| Whiff% | 22.1% | 13.5% to 27.5% | +/- 7.0% |
| HR/9 | 1.07 | 0.00 to 1.82 | +/- 0.91 |
| xwOBA Against | 0.295 | 0.234 to 0.356 | +/- 0.061 |
| Barrel% Allowed | 6.7% | 0.4% to 9.3% | +/- 4.4% |
| ERA | 3.71 | 1.86 to 6.83 | +/- 2.48 |
| FIP | 3.93 | 1.81 to 5.52 | +/- 1.86 |
| WHIP | 1.381 | 1.084 to 1.788 | +/- 0.352 |
| xwOBA | 0.197 |
| K% | 15.2% |
| BB% | 6.9% |
| Barrel | 1.5% |
| xwOBA | 0.220 |
| K% | 13.8% |
| BB% | 7.3% |
| Barrel | 2.0% |
