Smith, Burch
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 | 3.87 |
| ERA current pace | 3.18 |
| ERA rolling p50 | 3.69 |
| Observed weight | 25% |
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 | 43.6% | 125 | 102 | limited sample |
| CB | 25.4% | 73 | 102 | limited sample |
| FC | 20.9% | 60 | 100 | limited sample |
| CH | 9.4% | 27 | 92 | limited sample |
| SI | 0.7% | 2 | 54 | 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 | 33.0 | -- | -- |
| Batters Faced | 146 | -- | -- |
| K% | 19.7% | 12.2% to 28.8% | +/- 8.3% |
| BB% | 7.0% | 3.1% to 10.6% | +/- 3.7% |
| Whiff% | 19.0% | 12.6% to 25.8% | +/- 6.6% |
| HR/9 | 1.32 | 0.34 to 2.30 | +/- 0.98 |
| xwOBA Against | 0.312 | 0.225 to 0.360 | +/- 0.068 |
| Barrel% Allowed | 8.0% | 4.2% to 12.5% | +/- 4.1% |
| ERA | 4.13 | 1.38 to 6.30 | +/- 2.46 |
| FIP | 3.61 | 2.98 to 3.89 | +/- 0.46 |
| WHIP | 1.318 | 1.005 to 1.683 | +/- 0.339 |
404 career BF
| xwOBA | 0.253 |
| K% | 15.1% |
| BB% | 5.9% |
| Barrel | 7.7% |
593 career BF
| xwOBA | 0.238 |
| K% | 16.2% |
| BB% | 4.8% |
| Barrel | 7.2% |