Optimization diagnostic / SF
Trevor McDonald
Trevor McDonald's tools (42) outpace production (81) by -39 points. Primary finding: slider grades as the best pitch (whiff 38.3%, csw 29.6%) but is only thrown 23.9% of the time. Also flagged: Arsenal Gap: Gloveside Drop; Usage Overuse: Sinker. Most actionable fix: increase slider usage to at least league-average for that pitch type.
Data window 2026-07-01 / 2026-07-15Confidence MEDIUM
Optimization map
Arsenal shape map
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ride
armside
gloveside
Diagnosis
Fixable gaps
| Signal | Cause | Fix | Confidence |
|---|---|---|---|
| Arsenal Gap: Gloveside Drop0.60 | No vertical drop pitch (Curveball/Knuckle Curve) — hitters can ignore low zone | Develop a Curveball to cover the gloveside-drop regionFilling this gap would improve platoon coverage and arsenal depth | HIGH |
| Usage Underuse: Slider0.70 | Slider grades as the best pitch (whiff 38.3%, CSW 29.6%) but is only thrown 23.9% of the time | Increase Slider usage to at least league-average for that pitch typeUsage rebalancing is the simplest optimization with immediate impact | MEDIUM |
| Usage Overuse: Sinker0.60 | Sinker grades as the weakest pitch (whiff 3.4%, CSW 27.2%) but is thrown 54.6% of the time | Reduce Sinker usage in favor of higher-performing offeringsUsage rebalancing is the simplest optimization with immediate impact | MEDIUM |
Arsenal / metrics
Underlying components
| Component | Usage | Velo | Whiff |
|---|---|---|---|
| SinkerSI | 55% | 92.7 | 3.4% |
| SliderSL | 24% | 84.8 | 38.3% |
| ChangeupCH | 20% | 85.2 | 28.5% |
| Four-Seam FastballFF | 8% | 93.5 | 20.0% |