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 | 3.85 |
| ERA current pace | 5.61 |
| ERA rolling p50 | 4.57 |
| 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 |
|---|---|---|---|---|
| SL | 46.8% | 196 | 109 | limited sample |
| SI | 36.0% | 151 | 97 | limited sample |
| FC | 17.2% | 72 | 94 | limited sample |
Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.
| ERA Δ | +1.62 |
| K% Δ | -0.049 |
| Sample | 35.3 IP |
positive regression
| Metric | Point | Range | Half-width |
|---|---|---|---|
| Innings | 38.4 | -- | -- |
| Batters Faced | 165 | -- | -- |
| K% | 23.0% | 17.7% to 31.5% | +/- 6.9% |
| BB% | 10.1% | 6.8% to 14.5% | +/- 3.9% |
| Whiff% | 23.3% | 18.5% to 30.1% | +/- 5.8% |
| HR/9 | 1.32 | 0.28 to 2.08 | +/- 0.90 |
| xwOBA Against | 0.313 | 0.251 to 0.380 | +/- 0.065 |
| Barrel% Allowed | 8.6% | 5.4% to 13.1% | +/- 3.9% |
| ERA | 3.99 | 1.76 to 6.17 | +/- 2.21 |
| FIP | 4.40 | 2.69 to 5.56 | +/- 1.44 |
| WHIP | 1.364 | 1.059 to 1.788 | +/- 0.364 |
| xwOBA | 0.268 |
| K% | 26.4% |
| BB% | 10.6% |
| Barrel | 6.9% |
| xwOBA | 0.303 |
| K% | 21.0% |
| BB% | 9.6% |
| Barrel | 10.3% |
