SliderArsenal Shape: Gloveside Sweep
Δ HB -8.0in · Δ VB +3.7in
Current: HB -1.0in / VB -1.7in
Recommended: HB -9.0in / VB +2.0in
Optimization diagnostic / LAA
Reid Detmers
Reid Detmers's tools (52) outpace production (46) by 6 points. Primary finding: existing changeup is present, but its movement shape does not currently cover the desired arsenal-shape:-armside-drop window. Also flagged: Arsenal Shape: Gloveside Sweep; Usage Underuse: Changeup. Most actionable fix: reshape existing changeup to add arsenal shape: armside drop rather than developing a new pitch from scratch.
Data window 2026-07-01 / 2026-07-15Confidence HIGH
Optimization map
Arsenal shape map
Hover each pitch to inspect current usage, movement shape, and whiff context beside the written diagnosis.
View arsenal in 3D →
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: Arsenal Shape: Armside Drop0.85 | Existing Changeup is present, but its movement shape does not currently cover the desired arsenal-shape:-armside-drop window. | Reshape existing Changeup to add arsenal shape: armside drop rather than developing a new pitch from scratch.Shape refinement would improve platoon coverage while preserving the existing usage signal. | HIGH |
| Arsenal Shape: Gloveside Sweep0.70 | Existing Slider is present, but its movement shape does not currently cover the desired gloveside-sweep window. | Reshape existing Slider to add gloveside sweep rather than developing a new pitch from scratch.Shape refinement would improve platoon coverage while preserving the existing usage signal. | HIGH |
| Usage Underuse: Changeup0.70 | Changeup grades as the best pitch (whiff 59.4%, CSW 29.8%) but is only thrown 8.6% of the time | Increase Changeup usage to at least league-average for that pitch typeUsage rebalancing is the simplest optimization with immediate impact | HIGH |
| Usage Overuse: Four-Seam Fastball0.60 | Four-Seam Fastball grades as the weakest pitch (whiff 18.4%, CSW 25.2%) but is thrown 50.6% of the time | Reduce Four-Seam Fastball usage in favor of higher-performing offeringsUsage rebalancing is the simplest optimization with immediate impact | HIGH |
Arsenal / metrics
Underlying components
| Component | Usage | Velo | Whiff |
|---|---|---|---|
| Four-Seam FastballFF | 51% | 93.8 | 18.4% |
| SliderSL | 28% | 85.8 | 26.7% |
| CurveballCU | 14% | 71.7 | 30.6% |
| ChangeupCH | 9% | 83.5 | 59.4% |