Hernández, Elieser
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 | 4.23 |
| ERA current pace | 1.00 |
| ERA rolling p50 | 3.77 |
| Observed weight | 14% |
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 | 36.8% | 39 | 103 | limited sample |
| SL | 32.1% | 34 | 106 | limited sample |
| CH | 23.6% | 25 | 105 | limited sample |
| FC | 7.5% | 8 | 93 | 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 | 62.4 | -- | -- |
| Batters Faced | 261 | -- | -- |
| K% | 20.5% | 7.2% to 22.3% | +/- 7.5% |
| BB% | 7.8% | 3.1% to 10.0% | +/- 3.4% |
| Whiff% | 21.5% | 9.9% to 24.3% | +/- 7.2% |
| HR/9 | 1.48 | 0.69 to 2.42 | +/- 0.87 |
| xwOBA Against | 0.329 | 0.204 to 0.359 | +/- 0.077 |
| Barrel% Allowed | 8.9% | 4.8% to 12.1% | +/- 3.7% |
| ERA | 4.73 | 2.32 to 6.25 | +/- 1.97 |
| FIP | 4.40 | 3.11 to 5.96 | +/- 1.42 |
| WHIP | 1.253 | 0.655 to 1.614 | +/- 0.480 |
680 career BF
| xwOBA | 0.211 |
| K% | 7.5% |
| BB% | 5.8% |
| Barrel | 8.1% |
672 career BF
| xwOBA | 0.203 |
| K% | 7.9% |
| BB% | 4.3% |
| Barrel | 8.0% |