Booser, Cam
Run-prevention profile built on workable command
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 | 3.80 |
| ERA current pace | 1.59 |
| ERA rolling p50 | 3.23 |
| Observed weight | 26% |
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
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 | 44.6% | 41 | 96 | limited sample |
| FC | 43.5% | 40 | 107 | limited sample |
| SL | 10.9% | 10 | 90 | limited sample |
| CH | 1.1% | 1 | 87 | limited sample |
Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.
Current-season signal
| ERA Δ | -2.48 |
| K% Δ | +0.101 |
| Sample | 22.7 IP |
Point projection and range
| Metric | Point | Range | Half-width |
|---|---|---|---|
| Innings | 33.6 | -- | -- |
| Batters Faced | 149 | -- | -- |
| K% | 24.5% | 18.5% to 32.3% | +/- 6.9% |
| BB% | 10.0% | 6.0% to 15.3% | +/- 4.6% |
| Whiff% | 25.1% | 20.1% to 32.2% | +/- 6.1% |
| HR/9 | 1.13 | 0.37 to 2.22 | +/- 0.93 |
| xwOBA Against | 0.319 | 0.222 to 0.358 | +/- 0.068 |
| Barrel% Allowed | 8.7% | 4.1% to 13.3% | +/- 4.6% |
| ERA | 4.07 | 1.95 to 6.58 | +/- 2.32 |
| FIP | 4.17 | 2.51 to 5.38 | +/- 1.43 |
| WHIP | 1.321 | 0.966 to 1.683 | +/- 0.358 |
150 career BF
| xwOBA | 0.250 |
| K% | 23.7% |
| BB% | 10.5% |
| Barrel | 8.6% |
207 career BF
| xwOBA | 0.279 |
| K% | 21.5% |
| BB% | 9.7% |
| Barrel | 9.2% |