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 | 3.83 |
| ERA current pace | 4.05 |
| ERA rolling p50 | 3.92 |
| Observed weight | 42% |
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 | 44.3% | 181 | 100 | limited sample |
| SI | 35.5% | 145 | 102 | limited sample |
| FB | 20.3% | 83 | 94 | limited sample |
Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.
| ERA Δ | +0.25 |
| K% Δ | +0.028 |
| Sample | 41.7 IP |
positive regression
| Metric | Point | Range | Half-width |
|---|---|---|---|
| Innings | 39.3 | -- | -- |
| Batters Faced | 181 | -- | -- |
| K% | 25.1% | 18.0% to 32.2% | +/- 7.1% |
| BB% | 9.4% | 6.5% to 14.3% | +/- 3.9% |
| Whiff% | 27.4% | 22.2% to 34.4% | +/- 6.1% |
| HR/9 | 0.96 | 0.51 to 1.72 | +/- 0.60 |
| xwOBA Against | 0.300 | 0.258 to 0.364 | +/- 0.053 |
| Barrel% Allowed | 6.5% | 3.2% to 10.3% | +/- 3.5% |
| ERA | 3.80 | 2.16 to 6.98 | +/- 2.41 |
| FIP | 3.48 | 2.46 to 5.07 | +/- 1.31 |
| WHIP | 1.309 | 1.027 to 1.915 | +/- 0.444 |
| xwOBA | 0.270 |
| K% | 22.9% |
| BB% | 8.7% |
| Barrel | 4.7% |
| xwOBA | 0.306 |
| K% | 21.9% |
| BB% | 9.9% |
| Barrel | 5.8% |
