Late-inning arm with usable miss-bat shape
Rolling bands shrink current-season signal toward the preseason prior until the sample earns more weight.
| ERA preseason | 4.42 |
| ERA current pace | 4.75 |
| ERA rolling p50 | 4.55 |
| 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 |
|---|---|---|---|---|
| SL | 36.6% | 182 | 102 | limited sample |
| SI | 24.1% | 120 | 107 | limited sample |
| FB | 23.9% | 119 | 101 | limited sample |
| CB | 15.3% | 76 | 102 | limited sample |
Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.
| ERA Δ | +0.33 |
| K% Δ | +0.012 |
| Sample | 34.0 IP |
positive regression
| Metric | Point | Range | Half-width |
|---|---|---|---|
| Innings | 35.8 | -- | -- |
| Batters Faced | 168 | -- | -- |
| K% | 24.4% | 17.1% to 31.5% | +/- 7.2% |
| BB% | 9.1% | 5.5% to 13.3% | +/- 3.9% |
| Whiff% | 24.0% | 18.6% to 30.8% | +/- 6.1% |
| HR/9 | 1.03 | 0.52 to 1.98 | +/- 0.73 |
| xwOBA Against | 0.306 | 0.255 to 0.392 | +/- 0.069 |
| Barrel% Allowed | 8.0% | 4.5% to 12.9% | +/- 4.2% |
| ERA | 4.42 | 2.50 to 7.93 | +/- 2.71 |
| FIP | 3.82 | 2.19 to 5.73 | +/- 1.77 |
| WHIP | 1.328 | 1.046 to 1.829 | +/- 0.392 |
| xwOBA | 0.320 |
| K% | 20.4% |
| BB% | 10.2% |
| Barrel | 9.1% |
| xwOBA | 0.303 |
| K% | 20.9% |
| BB% | 7.6% |
| Barrel | 8.4% |
