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 | 3.24 |
| ERA current pace | 2.73 |
| ERA rolling p50 | 2.97 |
| Observed weight | 53% |
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 | 51.9% | 306 | 109 | qualified |
| SL | 48.1% | 284 | 107 | qualified |
Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.
| ERA Δ | -0.73 |
| K% Δ | +0.064 |
| Sample | 66.0 IP |
positive regression
| Metric | Point | Range | Half-width |
|---|---|---|---|
| Innings | 40.3 | -- | -- |
| Batters Faced | 167 | -- | -- |
| K% | 25.6% | 19.4% to 36.7% | +/- 8.7% |
| BB% | 9.7% | 5.0% to 13.6% | +/- 4.3% |
| Whiff% | 27.8% | 23.6% to 35.7% | +/- 6.1% |
| HR/9 | 1.21 | 0.39 to 1.91 | +/- 0.76 |
| xwOBA Against | 0.300 | 0.233 to 0.350 | +/- 0.059 |
| Barrel% Allowed | 7.0% | 3.4% to 10.4% | +/- 3.5% |
| ERA | 3.46 | 1.66 to 5.80 | +/- 2.07 |
| FIP | 3.98 | 2.43 to 5.46 | +/- 1.52 |
| WHIP | 1.261 | 0.973 to 1.548 | +/- 0.288 |
| xwOBA | 0.262 |
| K% | 28.7% |
| BB% | 8.5% |
| Barrel | 6.2% |
| xwOBA | 0.277 |
| K% | 24.0% |
| BB% | 9.0% |
| Barrel | 6.2% |
