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 | 4.30 |
| ERA current pace | 4.41 |
| ERA rolling p50 | 4.35 |
| Observed weight | 48% |
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 | 80.7% | 352 | 105 | qualified |
| SL | 10.3% | 45 | 101 | limited sample |
| FB | 8.9% | 39 | 94 | limited sample |
Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.
| ERA Δ | +0.19 |
| K% Δ | -0.038 |
| Sample | 54.3 IP |
positive regression
| Metric | Point | Range | Half-width |
|---|---|---|---|
| Innings | 46.2 | -- | -- |
| Batters Faced | 193 | -- | -- |
| K% | 14.4% | 7.4% to 19.8% | +/- 6.2% |
| BB% | 7.4% | 4.2% to 11.1% | +/- 3.5% |
| Whiff% | 14.1% | 10.6% to 21.9% | +/- 5.6% |
| HR/9 | 1.36 | 0.36 to 1.99 | +/- 0.81 |
| xwOBA Against | 0.326 | 0.254 to 0.378 | +/- 0.062 |
| Barrel% Allowed | 7.2% | 3.0% to 10.6% | +/- 3.8% |
| ERA | 4.32 | 2.05 to 6.68 | +/- 2.32 |
| FIP | 4.55 | 2.85 to 6.36 | +/- 1.76 |
| WHIP | 1.366 | 1.011 to 1.683 | +/- 0.336 |
| xwOBA | 0.263 |
| K% | 12.4% |
| BB% | 6.1% |
| Barrel | 3.9% |
| xwOBA | 0.303 |
| K% | 11.1% |
| BB% | 7.1% |
| Barrel | 6.6% |
