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 | 3.65 |
| ERA current pace | 6.42 |
| ERA rolling p50 | 4.90 |
| Observed weight | 45% |
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 | 62.6% | 353 | 99 | qualified |
| SL | 37.4% | 211 | 90 | qualified |
Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.
| ERA Δ | +2.46 |
| K% Δ | -0.038 |
| Sample | 41.7 IP |
positive regression
| Metric | Point | Range | Half-width |
|---|---|---|---|
| Innings | 36.7 | -- | -- |
| Batters Faced | 153 | -- | -- |
| K% | 24.1% | 19.7% to 34.1% | +/- 7.2% |
| BB% | 9.8% | 5.2% to 14.4% | +/- 4.6% |
| Whiff% | 25.4% | 20.2% to 33.0% | +/- 6.4% |
| HR/9 | 1.23 | 0.43 to 2.16 | +/- 0.86 |
| xwOBA Against | 0.332 | 0.242 to 0.352 | +/- 0.055 |
| Barrel% Allowed | 8.9% | 3.8% to 12.0% | +/- 4.1% |
| ERA | 3.96 | 0.80 to 5.48 | +/- 2.34 |
| FIP | 3.85 | 2.57 to 5.50 | +/- 1.47 |
| WHIP | 1.312 | 0.924 to 1.588 | +/- 0.332 |
| xwOBA | 0.297 |
| K% | 23.9% |
| BB% | 10.0% |
| Barrel | 8.1% |
| xwOBA | 0.282 |
| K% | 24.8% |
| BB% | 8.2% |
| Barrel | 6.9% |
