Run-prevention profile built on workable command
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 | 3.91 |
| ERA current pace | 1.65 |
| ERA rolling p50 | 2.94 |
| Observed weight | 43% |
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 |
|---|---|---|---|---|
| SI | 76.6% | 302 | 104 | qualified |
| SL | 23.4% | 92 | 100 | limited sample |
Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.
| ERA Δ | -2.52 |
| K% Δ | -0.029 |
| Sample | 43.3 IP |
positive regression
| Metric | Point | Range | Half-width |
|---|---|---|---|
| Innings | 42.4 | -- | -- |
| Batters Faced | 172 | -- | -- |
| K% | 15.1% | 10.9% to 24.7% | +/- 6.9% |
| BB% | 4.0% | 0.8% to 8.2% | +/- 3.7% |
| Whiff% | 16.6% | 12.4% to 24.3% | +/- 6.0% |
| HR/9 | 1.29 | 0.53 to 2.31 | +/- 0.89 |
| xwOBA Against | 0.310 | 0.252 to 0.383 | +/- 0.066 |
| Barrel% Allowed | 5.6% | 0.8% to 9.1% | +/- 4.1% |
| ERA | 4.17 | 1.37 to 5.31 | +/- 1.97 |
| FIP | 3.76 | 2.25 to 5.83 | +/- 1.79 |
| WHIP | 1.233 | 0.869 to 1.551 | +/- 0.341 |
| xwOBA | 0.256 |
| K% | 14.9% |
| BB% | 3.1% |
| Barrel | 2.6% |
| xwOBA | 0.248 |
| K% | 17.4% |
| BB% | 2.7% |
| Barrel | 3.2% |
