Nardi, Andrew
Late-inning arm with usable miss-bat shape
Preseason / current pace / Bayesian update
Rolling bands shrink current-season signal toward the preseason prior until the sample earns more weight.
| ERA preseason | 3.62 |
| ERA current pace | 5.16 |
| ERA rolling p50 | 4.11 |
| Observed weight | 32% |
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 | 47.9% | 181 | 104 | limited sample |
| SL | 38.6% | 146 | 104 | limited sample |
| CH | 11.6% | 44 | 104 | limited sample |
| SI | 1.9% | 7 | 102 | limited sample |
Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.
Current-season signal
| ERA Δ | +1.80 |
| K% Δ | +0.006 |
| Sample | 25.7 IP |
Point projection and range
| Metric | Point | Range | Half-width |
|---|---|---|---|
| Innings | 37.7 | -- | -- |
| Batters Faced | 162 | -- | -- |
| K% | 28.0% | 20.3% to 35.0% | +/- 7.4% |
| BB% | 8.9% | 5.0% to 13.2% | +/- 4.1% |
| Whiff% | 25.0% | 21.1% to 30.5% | +/- 4.7% |
| HR/9 | 1.45 | 0.54 to 2.29 | +/- 0.88 |
| xwOBA Against | 0.290 | 0.228 to 0.338 | +/- 0.055 |
| Barrel% Allowed | 9.0% | 4.9% to 12.6% | +/- 3.8% |
| ERA | 3.36 | 2.18 to 6.58 | +/- 2.20 |
| FIP | 3.56 | 2.10 to 5.68 | +/- 1.79 |
| WHIP | 1.266 | 1.034 to 1.653 | +/- 0.310 |
208 career BF
| xwOBA | 0.226 |
| K% | 29.7% |
| BB% | 7.1% |
| Barrel | 7.0% |
370 career BF
| xwOBA | 0.257 |
| K% | 25.4% |
| BB% | 8.1% |
| Barrel | 9.2% |