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 | 3.66 |
| ERA current pace | 3.97 |
| ERA rolling p50 | 3.78 |
| Observed weight | 38% |
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 |
|---|---|---|---|---|
| SL | 36.3% | 133 | 105 | limited sample |
| CB | 35.5% | 130 | 102 | limited sample |
| SI | 28.1% | 103 | 100 | limited sample |
Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.
| ERA Δ | -0.42 |
| K% Δ | +0.036 |
| Sample | 33.3 IP |
negative regression
| Metric | Point | Range | Half-width |
|---|---|---|---|
| Innings | 33.4 | -- | -- |
| Batters Faced | 140 | -- | -- |
| K% | 21.2% | 14.4% to 28.5% | +/- 7.1% |
| BB% | 8.6% | 4.9% to 12.6% | +/- 3.8% |
| Whiff% | 20.7% | 17.7% to 28.8% | +/- 5.5% |
| HR/9 | 0.87 | 0.00 to 1.48 | +/- 0.74 |
| xwOBA Against | 0.336 | 0.266 to 0.382 | +/- 0.058 |
| Barrel% Allowed | 8.3% | 3.3% to 14.0% | +/- 5.4% |
| ERA | 4.39 | 1.52 to 5.78 | +/- 2.13 |
| FIP | 3.78 | 2.48 to 3.58 | +/- 0.55 |
| WHIP | 1.231 | 1.054 to 1.661 | +/- 0.303 |
| xwOBA | 0.298 |
| K% | 17.4% |
| BB% | 8.7% |
| Barrel | 9.2% |
| xwOBA | 0.287 |
| K% | 17.3% |
| BB% | 5.8% |
| Barrel | 9.7% |
