Aldegheri, Sam
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 | 4.19 |
| ERA current pace | 4.76 |
| ERA rolling p50 | 4.24 |
| Observed weight | 10% |
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 | 41.2% | 42 | 88 | limited sample |
| CH | 29.4% | 30 | 107 | limited sample |
| SL | 18.6% | 19 | 97 | limited sample |
| CB | 10.8% | 11 | 92 | 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 | 59.2 | -- | -- |
| Batters Faced | 303 | -- | -- |
| K% | 19.4% | 11.5% to 24.7% | +/- 6.6% |
| BB% | 9.4% | 7.0% to 13.6% | +/- 3.3% |
| Whiff% | 20.7% | 14.3% to 25.7% | +/- 5.7% |
| HR/9 | 1.44 | 0.74 to 2.05 | +/- 0.66 |
| xwOBA Against | 0.335 | 0.267 to 0.369 | +/- 0.051 |
| Barrel% Allowed | 8.2% | 4.7% to 10.8% | +/- 3.0% |
| ERA | 4.62 | 1.93 to 6.32 | +/- 2.19 |
| FIP | 4.47 | 3.30 to 5.03 | +/- 0.87 |
| WHIP | 1.410 | 1.187 to 1.831 | +/- 0.322 |
35 career BF
| xwOBA | 0.243 |
| K% | 13.8% |
| BB% | 10.3% |
| Barrel | 5.1% |
105 career BF
| xwOBA | 0.264 |
| K% | 12.6% |
| BB% | 9.6% |
| Barrel | 6.8% |