Kremer, Dean
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 | 4.55 |
| ERA current pace | 4.09 |
| ERA rolling p50 | 4.45 |
| Observed weight | 20% |
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 | 39.6% | 40 | 106 | limited sample |
| CB | 23.8% | 24 | 100 | limited sample |
| SI | 19.8% | 20 | 97 | limited sample |
| FC | 9.9% | 10 | 118 | limited sample |
| SL | 6.9% | 7 | 98 | 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 | 76.3 | -- | -- |
| Batters Faced | 323 | -- | -- |
| K% | 20.9% | 18.0% to 26.3% | +/- 4.2% |
| BB% | 7.5% | 5.7% to 10.1% | +/- 2.2% |
| Whiff% | 20.8% | 18.7% to 25.5% | +/- 3.4% |
| HR/9 | 1.45 | 0.92 to 2.03 | +/- 0.55 |
| xwOBA Against | 0.321 | 0.281 to 0.352 | +/- 0.036 |
| Barrel% Allowed | 8.8% | 5.7% to 12.5% | +/- 3.4% |
| ERA | 4.14 | 3.31 to 6.01 | +/- 1.35 |
| FIP | 4.30 | 3.37 to 5.09 | +/- 0.86 |
| WHIP | 1.302 | 1.102 to 1.548 | +/- 0.223 |
1426 career BF
| xwOBA | 0.318 |
| K% | 19.1% |
| BB% | 8.1% |
| Barrel | 10.5% |
1618 career BF
| xwOBA | 0.297 |
| K% | 20.4% |
| BB% | 6.3% |
| Barrel | 8.5% |