Drohan, Shane
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 | 3.04 |
| ERA current pace | 2.63 |
| ERA rolling p50 | 2.88 |
| Observed weight | 38% |
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 | 31.4% | 143 | 103 | limited sample |
| SL | 18.5% | 84 | 109 | limited sample |
| FC | 16.9% | 77 | 107 | limited sample |
| SI | 16.5% | 75 | 107 | limited sample |
| CB | 11.6% | 53 | 104 | limited sample |
| CH | 5.1% | 23 | 91 | limited sample |
Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.
Current-season signal
| ERA Δ | -1.55 |
| K% Δ | +0.055 |
| Sample | 35.0 IP |
positive regression
Point projection and range
| Metric | Point | Range | Half-width |
|---|---|---|---|
| Innings | 61.3 | -- | -- |
| Batters Faced | 250 | -- | -- |
| K% | 20.2% | 5.3% to 23.8% | +/- 9.2% |
| BB% | 9.7% | 1.8% to 10.4% | +/- 4.3% |
| Whiff% | 22.5% | 8.1% to 29.9% | +/- 10.9% |
| HR/9 | 1.42 | 0.05 to 1.58 | +/- 0.76 |
| xwOBA Against | 0.278 | 0.055 to 0.306 | +/- 0.126 |
| Barrel% Allowed | 8.1% | 0.6% to 8.4% | +/- 3.9% |
| ERA | 4.18 | 0.28 to 4.45 | +/- 2.08 |
| FIP | 4.34 | 1.45 to 6.67 | +/- 2.61 |
| WHIP | 1.207 | 0.372 to 1.441 | +/- 0.534 |
5 career BF
| xwOBA | 0.003 |
| K% | 5.2% |
| BB% | 2.3% |
| Barrel | 0.1% |
8 career BF
| xwOBA | 0.003 |
| K% | 4.7% |
| BB% | 2.5% |
| Barrel | 0.1% |