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 | 4.17 |
| ERA current pace | 3.59 |
| ERA rolling p50 | 3.91 |
| 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 | 65.1% | 278 | 101 | qualified |
| SL | 32.1% | 137 | 102 | limited sample |
| FB | 2.8% | 12 | 105 | limited sample |
Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.
| ERA Δ | -0.49 |
| K% Δ | +0.061 |
| Sample | 46.3 IP |
positive regression
| Metric | Point | Range | Half-width |
|---|---|---|---|
| Innings | 34.2 | -- | -- |
| Batters Faced | 152 | -- | -- |
| K% | 18.5% | 12.0% to 26.7% | +/- 7.4% |
| BB% | 7.8% | 4.3% to 11.8% | +/- 3.8% |
| Whiff% | 18.4% | 13.7% to 25.3% | +/- 5.8% |
| HR/9 | 1.26 | 0.47 to 1.95 | +/- 0.74 |
| xwOBA Against | 0.317 | 0.247 to 0.380 | +/- 0.066 |
| Barrel% Allowed | 7.2% | 3.4% to 11.4% | +/- 4.0% |
| ERA | 4.08 | 1.68 to 7.02 | +/- 2.67 |
| FIP | 3.99 | 2.56 to 6.69 | +/- 2.07 |
| WHIP | 1.342 | 1.124 to 1.843 | +/- 0.360 |
| xwOBA | 0.264 |
| K% | 15.9% |
| BB% | 6.2% |
| Barrel | 5.2% |
| xwOBA | 0.305 |
| K% | 14.9% |
| BB% | 7.3% |
| Barrel | 7.8% |
