Elder, Bryce
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 | 4.57 |
| ERA current pace | 2.50 |
| ERA rolling p50 | 3.43 |
| Observed weight | 55% |
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 |
|---|---|---|---|---|
| SL | 28.3% | 292 | 100 | qualified |
| FB | 25.4% | 262 | 101 | qualified |
| SI | 24.5% | 253 | 102 | qualified |
| FC | 11.7% | 121 | 100 | limited sample |
| CH | 10.1% | 104 | 95 | limited sample |
Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.
Current-season signal
| ERA Δ | -2.25 |
| K% Δ | +0.005 |
| Sample | 71.0 IP |
negative regression
Point projection and range
| Metric | Point | Range | Half-width |
|---|---|---|---|
| Innings | 73.5 | -- | -- |
| Batters Faced | 323 | -- | -- |
| K% | 20.2% | 16.1% to 24.8% | +/- 4.4% |
| BB% | 7.5% | 5.6% to 10.3% | +/- 2.3% |
| Whiff% | 22.9% | 19.1% to 26.8% | +/- 3.8% |
| HR/9 | 1.49 | 0.93 to 2.05 | +/- 0.56 |
| xwOBA Against | 0.324 | 0.295 to 0.345 | +/- 0.025 |
| Barrel% Allowed | 8.0% | 5.6% to 10.6% | +/- 2.5% |
| ERA | 4.75 | 3.57 to 6.57 | +/- 1.50 |
| FIP | 4.25 | 3.44 to 4.94 | +/- 0.75 |
| WHIP | 1.359 | 1.147 to 1.630 | +/- 0.241 |
967 career BF
| xwOBA | 0.321 |
| K% | 17.0% |
| BB% | 8.5% |
| Barrel | 7.2% |
949 career BF
| xwOBA | 0.303 |
| K% | 19.1% |
| BB% | 6.0% |
| Barrel | 7.4% |