High-leverage relief profile with bat-miss
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 | 3.84 |
| ERA current pace | 3.48 |
| ERA rolling p50 | 3.71 |
| Observed weight | 36% |
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 | 85.5% | 224 | 107 | qualified |
| SL | 14.5% | 38 | 95 | limited sample |
Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.
| ERA Δ | +0.23 |
| K% Δ | +0.003 |
| Sample | 33.3 IP |
positive regression
| Metric | Point | Range | Half-width |
|---|---|---|---|
| Innings | 39.5 | -- | -- |
| Batters Faced | 167 | -- | -- |
| K% | 31.9% | 27.1% to 42.9% | +/- 7.9% |
| BB% | 9.8% | 5.3% to 14.0% | +/- 4.3% |
| Whiff% | 30.8% | 26.6% to 38.5% | +/- 6.0% |
| HR/9 | 1.18 | 0.63 to 2.23 | +/- 0.80 |
| xwOBA Against | 0.279 | 0.213 to 0.350 | +/- 0.068 |
| Barrel% Allowed | 9.0% | 4.8% to 12.8% | +/- 4.0% |
| ERA | 3.25 | 1.34 to 6.07 | +/- 2.37 |
| FIP | 3.25 | 1.99 to 4.44 | +/- 1.23 |
| WHIP | 1.129 | 0.921 to 1.615 | +/- 0.347 |
| xwOBA | 0.262 |
| K% | 31.0% |
| BB% | 11.1% |
| Barrel | 7.9% |
| xwOBA | 0.259 |
| K% | 33.3% |
| BB% | 7.9% |
| Barrel | 8.7% |
