Mills, Wyatt
Late-inning arm with usable miss-bat shape
Season percentile report
The headline weighs outcome stats (xwOBA, barrels); each bar averages its full strip group below. 100 = best in MLB.
percentile
Preseason / current pace / Bayesian update
Rolling bands shrink current-season signal toward the preseason prior until the sample earns more weight.
| ERA preseason | 4.08 |
| ERA current pace | 8.10 |
| ERA rolling p50 | 4.40 |
| Observed weight | 8% |
Actual percentile with projection tick
100th = best in MLB.
Stuff+ and arsenal context
Stuff+ appears when the current pitch-event scoring artifact includes this pitcher; Arsenal Decomposition remains descriptive support under Stuff+.
Arsenal optimization map
Pitch-shape context from this pitcher’s current arsenal snapshot. Hover a pitch to inspect usage, movement, and bat-missing context.
xwOBA allowed snapshot line
Live snapshot series; true 50/100 PA windows require PA-level logs
No Live State xwOBA snapshots are available for this player.
Aggregate zone heatmap
Aggregate zone metrics from seasonal Statcast leaderboards.
Usage mix, movement map, and Stuff+ composition
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 | 44.2% | 34 | 95 | limited sample |
| SI | 37.7% | 29 | 86 | limited sample |
| FB | 18.2% | 14 | 66 | limited sample |
Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.
Current-season signal
No Live State delta is available for this player yet.
Point projection and range
| Metric | Point | Range | Half-width |
|---|---|---|---|
| Innings | 30.9 | -- | -- |
| Batters Faced | 142 | -- | -- |
| K% | 18.8% | 1.4% to 16.5% | +/- 7.5% |
| BB% | 8.9% | 0.2% to 9.1% | +/- 4.4% |
| Whiff% | 20.9% | 3.4% to 24.7% | +/- 10.7% |
| HR/9 | 1.31 | 0.00 to 1.42 | +/- 0.71 |
| xwOBA Against | 0.281 | 0.019 to 0.315 | +/- 0.148 |
| Barrel% Allowed | 7.6% | 0.1% to 9.1% | +/- 4.5% |
| ERA | 4.65 | 0.00 to 5.76 | +/- 2.88 |
| FIP | 4.15 | 0.97 to 5.81 | +/- 2.42 |
| WHIP | 1.237 | 0.423 to 1.624 | +/- 0.600 |
74 career BF
| xwOBA | 0.004 |
| K% | 1.7% |
| BB% | 2.0% |
| Barrel | 0.1% |
147 career BF
| xwOBA | 0.004 |
| K% | 1.8% |
| BB% | 1.5% |
| Barrel | 0.1% |