Mithrandir Metrics
Diagnostic ATH Refreshed Jul 16 06:00 AM ET
Optimization diagnostic / ATH

Jonah Heim

Jonah Heim's tools (82) outpace production (68) by 14 points. Primary finding: groundball-heavy approach with the raw power to drive the ball — leaving fly-ball damage on the table. Most actionable fix: elevate bat path to increase average launch angle toward 12-18° range.

Score
29
Tools
82
Gap
+14.4
Data window 2026-07-01 / 2026-07-15Confidence LOW
Hitter optimization

Swing path and decision map

Jonah Heim's tools (82) outpace production (68) by 14 points. Primary finding: groundball-heavy approach with the raw power to drive the ball — leaving fly-ball damage on the table. Most actionable fix: elevate bat path to increase average launch angle toward 12-18° range.

See the swing in 3D →

Launch Angle Too Low
+12.3° Current 4° → Target 16°

Elevate bat path to increase average launch angle toward 12-18° range

Solid = current angle. Dotted = recommended window.
Diagnosis

Fixable gaps

SignalCauseFixConfidence
Launch Angle Too Low0.80Groundball-heavy approach with the raw power to drive the ball — leaving fly-ball damage on the tableElevate bat path to increase average launch angle toward 12-18° rangeGroundballs produce .228 wOBA; fly balls produce .462 — each 5° increase is substantialLOW
Arsenal / metrics

Underlying components

ComponentUsageVeloWhiff
No component rows are available for this report.