Walker, Ryan
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 | 3.12 |
| ERA current pace | 6.46 |
| ERA rolling p50 | 3.96 |
| Observed weight | 25% |
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 |
|---|---|---|---|---|
| SI | 69.4% | 197 | 101 | limited sample |
| SL | 29.9% | 85 | 101 | limited sample |
| FB | 0.7% | 2 | 112 | 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 | 41.4 | -- | -- |
| Batters Faced | 175 | -- | -- |
| K% | 24.4% | 18.6% to 35.5% | +/- 8.5% |
| BB% | 7.4% | 4.4% to 11.5% | +/- 3.6% |
| Whiff% | 24.4% | 18.4% to 30.7% | +/- 6.1% |
| HR/9 | 1.07 | 0.45 to 1.80 | +/- 0.67 |
| xwOBA Against | 0.294 | 0.241 to 0.346 | +/- 0.052 |
| Barrel% Allowed | 6.7% | 3.5% to 10.0% | +/- 3.2% |
| ERA | 3.08 | 2.14 to 5.66 | +/- 1.76 |
| FIP | 3.08 | 2.36 to 4.59 | +/- 1.11 |
| WHIP | 1.163 | 0.999 to 1.625 | +/- 0.313 |
377 career BF
| xwOBA | 0.283 |
| K% | 25.7% |
| BB% | 6.9% |
| Barrel | 6.1% |
496 career BF
| xwOBA | 0.270 |
| K% | 24.4% |
| BB% | 6.4% |
| Barrel | 5.4% |