Tiedemann, Ricky
Run-prevention profile built on workable command
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 | 4.32 |
| ERA current pace | 1.50 |
| ERA rolling p50 | 4.02 |
| Observed weight | 11% |
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 |
|---|---|---|---|---|
| SL | 50.4% | 62 | 99 | limited sample |
| FB | 38.2% | 47 | 91 | limited sample |
| CH | 9.8% | 12 | 88 | limited sample |
| FC | 1.6% | 2 | 122 | 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 | 64.8 | -- | -- |
| Batters Faced | 281 | -- | -- |
| K% | 22.6% | 9.8% to 26.4% | +/- 8.3% |
| BB% | 8.6% | 3.1% to 9.9% | +/- 3.4% |
| Whiff% | 22.9% | 9.2% to 29.0% | +/- 9.9% |
| HR/9 | 1.53 | 0.18 to 1.91 | +/- 0.87 |
| xwOBA Against | 0.283 | 0.021 to 0.306 | +/- 0.142 |
| Barrel% Allowed | 9.4% | 4.0% to 11.9% | +/- 3.9% |
| ERA | 4.56 | 1.43 to 6.01 | +/- 2.29 |
| FIP | 4.59 | 1.58 to 5.11 | +/- 1.77 |
| WHIP | 1.321 | 0.458 to 1.569 | +/- 0.555 |
6 career BF
| xwOBA | 0.003 |
| K% | 9.6% |
| BB% | 3.5% |
| Barrel | 4.5% |
17 career BF
| xwOBA | 0.003 |
| K% | 8.5% |
| BB% | 3.8% |
| Barrel | 6.0% |