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 | 3.70 |
| ERA current pace | 1.94 |
| ERA rolling p50 | 2.89 |
| Observed weight | 46% |
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 | 54.1% | 193 | 108 | limited sample |
| SL | 34.2% | 122 | 101 | limited sample |
| FC | 11.8% | 42 | 98 | limited sample |
Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.
| ERA Δ | -1.57 |
| K% Δ | +0.077 |
| Sample | 52.3 IP |
positive regression
| Metric | Point | Range | Half-width |
|---|---|---|---|
| Innings | 31.7 | -- | -- |
| Batters Faced | 149 | -- | -- |
| K% | 22.4% | 12.5% to 28.5% | +/- 8.0% |
| BB% | 9.5% | 5.1% to 13.2% | +/- 4.1% |
| Whiff% | 22.1% | 13.6% to 27.5% | +/- 7.0% |
| HR/9 | 1.03 | 0.00 to 1.82 | +/- 0.91 |
| xwOBA Against | 0.295 | 0.235 to 0.357 | +/- 0.061 |
| Barrel% Allowed | 6.8% | 0.4% to 9.3% | +/- 4.4% |
| ERA | 3.51 | 1.87 to 6.84 | +/- 2.48 |
| FIP | 3.76 | 1.81 to 5.53 | +/- 1.86 |
| WHIP | 1.379 | 1.085 to 1.789 | +/- 0.352 |
| xwOBA | 0.198 |
| K% | 15.2% |
| BB% | 6.9% |
| Barrel | 1.5% |
| xwOBA | 0.220 |
| K% | 13.8% |
| BB% | 7.3% |
| Barrel | 2.0% |
