Cole, Gerrit
Breaking-ball driven starter profile
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 | 3.83 |
| ERA current pace | 4.04 |
| ERA rolling p50 | 3.93 |
| Observed weight | 47% |
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 | 45.0% | 108 | 110 | limited sample |
| SL | 20.4% | 49 | 105 | limited sample |
| CH | 14.2% | 34 | 99 | limited sample |
| CB | 13.8% | 33 | 108 | limited sample |
| SI | 6.7% | 16 | 103 | limited sample |
Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.
Current-season signal
| ERA Δ | +0.04 |
| K% Δ | +0.024 |
| Sample | 50.7 IP |
positive regression
Point projection and range
| Metric | Point | Range | Half-width |
|---|---|---|---|
| Innings | 143.4 | -- | -- |
| Batters Faced | 588 | -- | -- |
| K% | 20.6% | 16.6% to 28.3% | +/- 5.9% |
| BB% | 6.3% | 4.5% to 8.3% | +/- 1.9% |
| Whiff% | 19.6% | 16.6% to 24.8% | +/- 4.1% |
| HR/9 | 1.44 | 0.71 to 1.99 | +/- 0.64 |
| xwOBA Against | 0.315 | 0.264 to 0.333 | +/- 0.035 |
| Barrel% Allowed | 8.8% | 5.9% to 11.8% | +/- 3.0% |
| ERA | 4.00 | 2.41 to 5.13 | +/- 1.36 |
| FIP | 4.00 | 2.94 to 6.34 | +/- 1.70 |
| WHIP | 1.253 | 0.928 to 1.348 | +/- 0.210 |
3593 career BF
| xwOBA | 0.275 |
| K% | 21.2% |
| BB% | 6.4% |
| Barrel | 8.6% |
3887 career BF
| xwOBA | 0.277 |
| K% | 19.8% |
| BB% | 5.1% |
| Barrel | 8.5% |