Hagenman, Justin
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 | 4.52 |
| ERA current pace | 3.38 |
| ERA rolling p50 | 4.38 |
| Observed weight | 12% |
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 | 41.7% | 55 | 102 | limited sample |
| FC | 27.3% | 36 | 103 | limited sample |
| CH | 22.7% | 30 | 108 | limited sample |
| SL | 8.3% | 11 | 98 | 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 | 58.3 | -- | -- |
| Batters Faced | 249 | -- | -- |
| K% | 19.0% | 13.8% to 25.7% | +/- 5.9% |
| BB% | 4.3% | 0.7% to 7.5% | +/- 3.4% |
| Whiff% | 23.0% | 17.8% to 27.3% | +/- 4.8% |
| HR/9 | 1.45 | 0.44 to 2.28 | +/- 0.92 |
| xwOBA Against | 0.334 | 0.230 to 0.358 | +/- 0.064 |
| Barrel% Allowed | 8.3% | 4.1% to 13.5% | +/- 4.7% |
| ERA | 4.23 | 2.34 to 6.57 | +/- 2.12 |
| FIP | 3.80 | 2.27 to 5.94 | +/- 1.84 |
| WHIP | 1.267 | 0.796 to 1.556 | +/- 0.380 |
71 career BF
| xwOBA | 0.236 |
| K% | 16.1% |
| BB% | 2.3% |
| Barrel | 10.8% |
77 career BF
| xwOBA | 0.220 |
| K% | 17.3% |
| BB% | 1.9% |
| Barrel | 9.0% |