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 | 3.94 |
| ERA current pace | 6.58 |
| ERA rolling p50 | 5.11 |
| Observed weight | 44% |
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 | 47.6% | 229 | 100 | qualified |
| SL | 31.2% | 150 | 98 | limited sample |
| FC | 21.2% | 102 | 104 | limited sample |
Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.
| ERA Δ | +3.01 |
| K% Δ | -0.034 |
| Sample | 41.7 IP |
negative regression
| Metric | Point | Range | Half-width |
|---|---|---|---|
| Innings | 34.7 | -- | -- |
| Batters Faced | 137 | -- | -- |
| K% | 24.9% | 20.2% to 34.6% | +/- 7.2% |
| BB% | 9.5% | 4.9% to 13.2% | +/- 4.1% |
| Whiff% | 20.8% | 16.5% to 27.6% | +/- 5.6% |
| HR/9 | 0.99 | 0.06 to 1.63 | +/- 0.78 |
| xwOBA Against | 0.316 | 0.252 to 0.345 | +/- 0.047 |
| Barrel% Allowed | 8.4% | 3.0% to 14.8% | +/- 5.9% |
| ERA | 3.57 | 0.63 to 5.59 | +/- 2.48 |
| FIP | 3.55 | 2.11 to 3.94 | +/- 0.91 |
| WHIP | 1.134 | 0.751 to 1.581 | +/- 0.415 |
| xwOBA | 0.253 |
| K% | 24.9% |
| BB% | 8.7% |
| Barrel | 9.8% |
| xwOBA | 0.243 |
| K% | 25.3% |
| BB% | 6.0% |
| Barrel | 9.2% |
