Kuhnel, Joel
Run-prevention profile built on workable command
Season percentile report
The headline weighs outcome stats (xwOBA, barrels); each bar averages its full strip group below. 100 = best in MLB.
percentile
Preseason / current pace / Bayesian update
Rolling bands shrink current-season signal toward the preseason prior until the sample earns more weight.
| ERA preseason | 3.55 |
| ERA current pace | 4.84 |
| ERA rolling p50 | 4.09 |
| Observed weight | 42% |
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 |
|---|---|---|---|---|
| SI | 54.5% | 211 | 99 | qualified |
| FC | 25.1% | 97 | 98 | limited sample |
| CH | 7.2% | 28 | 102 | limited sample |
| SL | 6.5% | 25 | 97 | limited sample |
| FB | 5.2% | 20 | 91 | limited sample |
| CB | 1.6% | 6 | 109 | limited sample |
Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.
Current-season signal
| ERA Δ | +1.04 |
| K% Δ | -0.093 |
| Sample | 38.0 IP |
positive regression
Point projection and range
| Metric | Point | Range | Half-width |
|---|---|---|---|
| Innings | 29.0 | -- | -- |
| Batters Faced | 123 | -- | -- |
| K% | 22.0% | 7.6% to 25.3% | +/- 8.8% |
| BB% | 6.2% | 0.8% to 9.1% | +/- 4.2% |
| Whiff% | 23.9% | 13.8% to 28.3% | +/- 7.2% |
| HR/9 | 1.54 | 0.32 to 2.27 | +/- 0.97 |
| xwOBA Against | 0.291 | 0.176 to 0.371 | +/- 0.098 |
| Barrel% Allowed | 6.8% | 1.7% to 9.9% | +/- 4.1% |
| ERA | 3.80 | 1.14 to 6.04 | +/- 2.45 |
| FIP | 3.79 | 2.15 to 5.04 | +/- 1.45 |
| WHIP | 1.206 | 0.649 to 1.619 | +/- 0.485 |
193 career BF
| xwOBA | 0.205 |
| K% | 10.1% |
| BB% | 2.8% |
| Barrel | 4.2% |
267 career BF
| xwOBA | 0.195 |
| K% | 10.9% |
| BB% | 2.2% |
| Barrel | 4.0% |