John Halama vs. Mark Leiter — Career Comparison

The numbers give John Halama a clear advantage over Mark Leiter across the core pitching metrics. John Halama led in walk avoidance (BB%+ 129 vs 105), home run suppression (HR9+ 97 vs 80), and run prevention (ERA+ 105 vs 92). Mark Leiter held the edge in strikeout rate (K%+ 107 vs 76). John Halama was the better starter — the numbers make that case clearly.