Michael Kopech vs. David Williams — Career Comparison

The numbers give David Williams a clear advantage over Michael Kopech across the core pitching metrics. David Williams led in walk avoidance (BB%+ 85 vs 58), run prevention (ERA+ 108 vs 95), and skill-based run prevention (DICE+ 86 vs 78). Michael Kopech held the edge in strikeout rate (K%+ 100 vs 80). David Williams was the better starter — the numbers make that case clearly.