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 | 2.78 |
| ERA current pace | 2.98 |
| ERA rolling p50 | 2.87 |
| Observed weight | 44% |
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 | 64.1% | 314 | 104 | qualified |
| CB | 19.6% | 96 | 103 | limited sample |
| SL | 16.3% | 80 | 103 | limited sample |
Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.
| ERA Δ | -0.51 |
| K% Δ | +0.069 |
| Sample | 44.7 IP |
positive regression
| Metric | Point | Range | Half-width |
|---|---|---|---|
| Innings | 32.9 | -- | -- |
| Batters Faced | 139 | -- | -- |
| K% | 30.0% | 23.4% to 38.6% | +/- 7.6% |
| BB% | 12.4% | 6.7% to 18.6% | +/- 5.9% |
| Whiff% | 28.1% | 23.6% to 35.6% | +/- 6.0% |
| HR/9 | 1.01 | 0.37 to 1.72 | +/- 0.67 |
| xwOBA Against | 0.296 | 0.213 to 0.335 | +/- 0.061 |
| Barrel% Allowed | 7.0% | 2.4% to 10.1% | +/- 3.9% |
| ERA | 3.42 | 0.00 to 5.49 | +/- 2.75 |
| FIP | 3.44 | 2.08 to 4.69 | +/- 1.31 |
| WHIP | 1.231 | 0.859 to 1.650 | +/- 0.396 |
| xwOBA | 0.216 |
| K% | 30.0% |
| BB% | 11.5% |
| Barrel | 3.2% |
| xwOBA | 0.247 |
| K% | 26.9% |
| BB% | 13.9% |
| Barrel | 4.5% |
