Bellozo, Valente
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 | 4.81 |
| ERA current pace | 7.59 |
| ERA rolling p50 | 5.37 |
| 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 |
|---|---|---|---|---|
| FC | 23.5% | 40 | 104 | limited sample |
| SL | 21.2% | 36 | 98 | limited sample |
| FB | 21.2% | 36 | 88 | limited sample |
| CH | 18.2% | 31 | 89 | limited sample |
| SI | 11.2% | 19 | 93 | limited sample |
| CB | 4.7% | 8 | 97 | 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 | 70.0 | -- | -- |
| Batters Faced | 306 | -- | -- |
| K% | 17.7% | 13.1% to 22.5% | +/- 4.7% |
| BB% | 7.7% | 4.8% to 10.0% | +/- 2.6% |
| Whiff% | 18.9% | 16.0% to 24.1% | +/- 4.0% |
| HR/9 | 1.75 | 0.90 to 2.89 | +/- 1.00 |
| xwOBA Against | 0.361 | 0.317 to 0.416 | +/- 0.049 |
| Barrel% Allowed | 8.9% | 6.1% to 14.1% | +/- 4.0% |
| ERA | 4.88 | 2.90 to 6.69 | +/- 1.90 |
| FIP | 4.93 | 3.43 to 6.72 | +/- 1.64 |
| WHIP | 1.412 | 1.187 to 1.808 | +/- 0.311 |
312 career BF
| xwOBA | 0.345 |
| K% | 14.3% |
| BB% | 7.8% |
| Barrel | 11.3% |
352 career BF
| xwOBA | 0.319 |
| K% | 16.1% |
| BB% | 6.2% |
| Barrel | 10.6% |