John Halama vs. Cal Koonce — Career Comparison

The numbers give John Halama a clear advantage over Cal Koonce across the core pitching metrics. John Halama led in walk avoidance (BB%+ 129 vs 93), run prevention (ERA+ 105 vs 97), and skill-based run prevention (DICE+ 96 vs 90). Cal Koonce held the edge in strikeout rate (K%+ 79 vs 76). John Halama was the better starter — the numbers make that case clearly.