Willson Contreras
1BQualifiedBoston Red Sox · AL · Age 34 · Bats R / Throws R · 380 PA
Most likely driver: plate-discipline erosion — expanding the zone (45% confidence).Mechanical flag: depth in box +4.0".
Edge breakdown
Long, fast swing — big damage on contact with real whiff exposure deep in counts.
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 | 117 | .403 | .388 | .327 | 27.4lg 22.0 | 19.7 | 1.5 |
| Sinker | 90 | .538 | .515 | .351 | 10.6lg 13.7 | 8.9 | 6.2 |
| Slider | 43 | .450 | .397 | .288 | 43.1lg 33.5 | 34.9 | 2.6 |
| Changeup | 47 | .421 | .376 | .278 | 38.6lg 31.5 | 38.3 | 3.0 |
| Curveball | 21 | .238 | .267 | .281 | 34.1lg 30.8 | 52.4 | -0.2 |
| Sweeper | 28 | .186 | .227 | .263 | 38.6lg 31.0 | 32.1 | -1.5 |
| Cutter | 22 | .307 | .288 | .351 | 40.0lg 22.5 | 27.3 | -0.3 |
| Splitter | 10 | .430 | .257 | .263 | 47.8lg 32.4 | 40.0 | 1.2 |
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 26.6" (+4.0" vs prior) · off plate 27.3" (−3.0" vs prior)
Where he meets the ball
average intercept, inches vs the front of the plate
76 pctl · +0.0" vs prior
Timing spectrum
share of competitive swings by timing
on-time 61.7% (+0.0% vs prior) · late 10.0% (+0.0% vs prior)
Barrel accuracy
avg miss from the sweet spot · dashed ring = league
94 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).