Geraldo Perdomo
SSQualifiedArizona Diamondbacks · NL · Age 26 · Bats S / Throws R · 408 PA
Most likely driver: plate-discipline erosion — expanding the zone (46% confidence).
Edge breakdown
Short, flat, repeatable swing — squares the ball up and rarely misses, trades away loft.
The swing
Percentiles vs all tracked hitters. Attack angle/direction and tilt are swing-weighted averages across batting sides. Swing type from editable rules — first match wins.
vs pitch types
| Pitch | PA | wOBA | xwOBA | lg xwOBA | Whiff% | K% | RV/100 |
|---|---|---|---|---|---|---|---|
| 4-Seam Fastball | 134 | .413 | .373 | .327 | 11.2lg 22.0 | 9.0 | 0.4 |
| Sinker | 79 | .311 | .316 | .351 | 8.6lg 13.7 | 13.9 | -1.9 |
| Changeup | 66 | .305 | .328 | .278 | 10.6lg 31.5 | 6.1 | 1.5 |
| Slider | 46 | .357 | .318 | .288 | 18.2lg 33.5 | 15.2 | 1.6 |
| Curveball | 19 | .337 | .284 | .281 | 9.7lg 30.8 | 21.1 | 1.7 |
| Cutter | 28 | .198 | .278 | .351 | 13.0lg 22.5 | 14.3 | -3.0 |
| Sweeper | 14 | .482 | .366 | .263 | 16.0lg 31.0 | 21.4 | 3.5 |
| Splitter | 20 | .125 | .226 | .263 | 17.1lg 32.4 | 10.0 | -4.6 |
xwOBA green/red when 20+ points above/below league vs that pitch. RV/100 = run value per 100 pitches seen (positive favors the hitter). Source: Savant pitch arsenal stats.
Where he stands
top-down, side-agnostic (mirrored for LHB)
depth 19.2" (+0.6" vs prior) · off plate 25.2" (−0.4" vs prior)
Where he meets the ball
average intercept, inches vs the front of the plate
82 pctl · −0.3" vs prior
Timing spectrum
share of competitive swings by timing
on-time 75.5% (+0.0% vs prior) · late 13.2% (+0.0% vs prior)
Barrel accuracy
avg miss from the sweet spot · dashed ring = league
3 pctl (lower is better) · +0.0" vs prior
What this can't see: Joint kinetics, hip-shoulder separation, and kinematic sequencing (Hawkeye/KinaTrax, team-internal — never estimated here). Stance angle and foot separation (Savant visuals only, no export). Release extension (column exported empty; needs pitch-level ingest).