Acton, Garrett
Run-prevention profile built on workable command
Preseason / current pace / Bayesian update
Rolling bands shrink current-season signal toward the preseason prior until the sample earns more weight.
| ERA preseason | 4.24 |
| ERA current pace | 2.70 |
| ERA rolling p50 | 4.08 |
| Observed weight | 11% |
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 |
|---|---|---|---|---|
| FB | 54.8% | 63 | 109 | limited sample |
| SL | 45.2% | 52 | 96 | 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 | 30.7 | -- | -- |
| Batters Faced | 139 | -- | -- |
| K% | 18.7% | 3.9% to 24.0% | +/- 10.0% |
| BB% | 11.3% | 4.9% to 17.4% | +/- 6.3% |
| Whiff% | 23.9% | 6.6% to 27.6% | +/- 10.5% |
| HR/9 | 1.24 | 0.20 to 1.93 | +/- 0.87 |
| xwOBA Against | 0.312 | 0.089 to 0.366 | +/- 0.139 |
| Barrel% Allowed | 7.6% | 2.3% to 10.6% | +/- 4.2% |
| ERA | 4.39 | 0.48 to 5.85 | +/- 2.68 |
| FIP | 4.17 | 2.22 to 6.12 | +/- 1.95 |
| WHIP | 1.328 | 0.602 to 1.713 | +/- 0.555 |
19 career BF
| xwOBA | 0.135 |
| K% | 4.3% |
| BB% | 10.3% |
| Barrel | 3.7% |
30 career BF
| xwOBA | 0.128 |
| K% | 4.6% |
| BB% | 7.6% |
| Barrel | 3.6% |