High-leverage relief profile with bat-miss
Rolling bands shrink current-season signal toward the preseason prior until the sample earns more weight.
| ERA preseason | 4.58 |
| ERA current pace | 4.57 |
| ERA rolling p50 | 4.57 |
| Observed weight | 56% |
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 | 43.2% | 454 | 102 | qualified |
| SL | 31.2% | 328 | 108 | qualified |
| CH | 12.6% | 132 | 103 | limited sample |
| CB | 10.2% | 107 | 105 | limited sample |
| SI | 2.8% | 29 | 86 | limited sample |
Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.
| ERA Δ | +0.21 |
| K% Δ | +0.001 |
| Sample | 70.7 IP |
positive regression
| Metric | Point | Range | Half-width |
|---|---|---|---|
| Innings | 46.6 | -- | -- |
| Batters Faced | 205 | -- | -- |
| K% | 28.1% | 21.8% to 35.6% | +/- 6.9% |
| BB% | 8.8% | 5.5% to 12.5% | +/- 3.5% |
| Whiff% | 27.8% | 23.2% to 33.6% | +/- 5.2% |
| HR/9 | 1.28 | 0.69 to 2.23 | +/- 0.77 |
| xwOBA Against | 0.306 | 0.267 to 0.371 | +/- 0.052 |
| Barrel% Allowed | 8.4% | 5.1% to 13.5% | +/- 4.2% |
| ERA | 4.36 | 2.34 to 7.56 | +/- 2.61 |
| FIP | 3.65 | 2.46 to 4.85 | +/- 1.19 |
| WHIP | 1.337 | 1.068 to 1.833 | +/- 0.382 |
| xwOBA | 0.310 |
| K% | 25.8% |
| BB% | 8.5% |
| Barrel | 8.0% |
| xwOBA | 0.308 |
| K% | 26.7% |
| BB% | 8.7% |
| Barrel | 10.0% |
