De Los Santos, Enyel
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 | 4.02 |
| ERA current pace | 3.57 |
| ERA rolling p50 | 3.89 |
| Observed weight | 29% |
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 | 44.0% | 150 | 101 | limited sample |
| SL | 29.9% | 102 | 99 | limited sample |
| CH | 26.1% | 89 | 117 | limited sample |
Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.
Current-season signal
| ERA Δ | -0.45 |
| K% Δ | +0.002 |
| Sample | 24.0 IP |
Point projection and range
| Metric | Point | Range | Half-width |
|---|---|---|---|
| Innings | 40.7 | -- | -- |
| Batters Faced | 174 | -- | -- |
| K% | 23.3% | 16.1% to 30.2% | +/- 7.0% |
| BB% | 8.7% | 5.5% to 12.8% | +/- 3.7% |
| Whiff% | 25.5% | 21.3% to 33.2% | +/- 6.0% |
| HR/9 | 1.22 | 0.44 to 2.56 | +/- 1.06 |
| xwOBA Against | 0.305 | 0.266 to 0.389 | +/- 0.061 |
| Barrel% Allowed | 8.8% | 4.3% to 15.0% | +/- 5.3% |
| ERA | 4.02 | 2.21 to 7.00 | +/- 2.39 |
| FIP | 3.99 | 2.60 to 7.08 | +/- 2.24 |
| WHIP | 1.220 | 0.985 to 1.716 | +/- 0.366 |
558 career BF
| xwOBA | 0.334 |
| K% | 18.6% |
| BB% | 9.5% |
| Barrel | 12.2% |
850 career BF
| xwOBA | 0.308 |
| K% | 22.6% |
| BB% | 7.5% |
| Barrel | 9.8% |