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 | 3.75 |
| ERA current pace | 5.53 |
| ERA rolling p50 | 4.45 |
| Observed weight | 39% |
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 |
|---|---|---|---|---|
| FB | 48.9% | 267 | 96 | qualified |
| SL | 48.2% | 263 | 104 | qualified |
| CB | 2.9% | 16 | 99 | limited sample |
Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.
| ERA Δ | +1.60 |
| K% Δ | -0.042 |
| Sample | 32.7 IP |
negative regression
| Metric | Point | Range | Half-width |
|---|---|---|---|
| Innings | 32.5 | -- | -- |
| Batters Faced | 138 | -- | -- |
| K% | 26.9% | 21.0% to 37.3% | +/- 8.2% |
| BB% | 10.2% | 6.4% to 15.1% | +/- 4.3% |
| Whiff% | 29.2% | 23.8% to 37.5% | +/- 6.9% |
| HR/9 | 1.20 | 0.55 to 2.53 | +/- 0.99 |
| xwOBA Against | 0.311 | 0.240 to 0.371 | +/- 0.065 |
| Barrel% Allowed | 9.9% | 6.8% to 19.0% | +/- 6.1% |
| ERA | 3.93 | 1.18 to 6.21 | +/- 2.51 |
| FIP | 3.51 | 2.49 to 6.18 | +/- 1.84 |
| WHIP | 1.153 | 0.769 to 1.545 | +/- 0.388 |
| xwOBA | 0.275 |
| K% | 26.2% |
| BB% | 11.4% |
| Barrel | 15.8% |
| xwOBA | 0.253 |
| K% | 25.9% |
| BB% | 8.2% |
| Barrel | 13.3% |
