Mithrandir Metrics
Diagnostic ATL Refreshed Jun 1 06:00 AM ET
Optimization diagnostic / ATL

Mike Yastrzemski

Mike Yastrzemski's tools (93) outpace production (86) by 7 points. Primary finding: expanding the zone too aggressively — generating weak contact and whiffs on pitcher's pitches. Also flagged: Contact-Discipline Mismatch.

Score
18
Tools
93
Gap
+6.9
Data window 2026-05-18 / 2026-06-01Confidence MEDIUM
Hitter optimization

Swing path and decision map

Mike Yastrzemski's tools (93) outpace production (86) by 7 points. Primary finding: expanding the zone too aggressively — generating weak contact and whiffs on pitcher's pitches. Also flagged: Contact-Discipline Mismatch.

Chase Rate Problem
Hold Hold Hold Hold Attack Hold Hold Hold Hold

Pitch recognition training and two-strike approach adjustment

Protected takes / Chase risk
Contact-Discipline Mismatch
Hold Hold Hold Hold Attack Hold Hold Hold Hold

Shorten swing against breaking balls while maintaining bat speed on fastballs

Protected takes / Chase risk
Diagnosis

Fixable gaps

SignalCauseFixConfidence
Chase Rate Problem1.00Expanding the zone too aggressively — generating weak contact and whiffs on pitcher's pitchesPitch recognition training and two-strike approach adjustmentEach 3pp chase rate reduction projects to ~0.010 wOBA improvementMEDIUM
Contact-Discipline Mismatch0.65Elite raw contact quality undermined by swing decisions — the bat is dangerous when it connectsShorten swing against breaking balls while maintaining bat speed on fastballsMarginal discipline improvement with this power profile has huge upsideMEDIUM
Arsenal / metrics

Underlying components

ComponentUsageVeloWhiff
No component rows are available for this report.