CurveballArsenal Shape: Gloveside Drop
Δ HB -7.2in · Δ VB -2.4in
Current: HB 4.2in / VB -5.6in
Recommended: HB -3.0in / VB -8.0in
Optimization diagnostic / AZ
Brandon Pfaadt
Brandon Pfaadt's production (61) outpaces the tools grade (39) by 22 points. Primary finding: existing curveball is present, but its movement shape does not currently cover the desired gloveside-drop window.
Data window 2026-09-11 / 2026-09-25Confidence MEDIUM
Optimization map
Arsenal shape map
Hover each pitch to inspect current usage, movement shape, and whiff context beside the written diagnosis.
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ride
armside
gloveside
Movement reshape
Pitch movement dual-view
Current shape against the recommended movement window. Animation starts when this section scrolls into view.
Diagnosis
Fixable gaps
| Signal | Cause | Fix | Confidence |
|---|---|---|---|
| Arsenal Shape: Gloveside Drop0.60 | Existing Curveball is present, but its movement shape does not currently cover the desired gloveside-drop window. | Reshape existing Curveball to add gloveside drop rather than developing a new pitch from scratch.Shape refinement would improve platoon coverage while preserving the existing usage signal. | HIGH |
Arsenal / metrics
Underlying components
| Component | Usage | Velo | Whiff |
|---|---|---|---|
| Four-Seam FastballFF | 33% | 93.5 | 25.9% |
| SinkerSI | 17% | 93.2 | 11.4% |
| SweeperST | 26% | 84.2 | 25.5% |
| ChangeupCH | 14% | 86.6 | 9.2% |
| CutterFC | 14% | 91.3 | 42.2% |
| CurveballCU | 17% | 83.3 | 24.9% |