Ken Johnson vs. Frank Sullivan — Career Comparison

The numbers give Frank Sullivan a clear advantage over Ken Johnson across the core pitching metrics. Frank Sullivan led in strikeout rate (K%+ 103 vs 83), run prevention (ERA+ 109 vs 100), and skill-based run prevention (DICE+ 102 vs 95). Ken Johnson held the edge in walk avoidance (BB%+ 139 vs 115). Frank Sullivan was the better starter — the numbers make that case clearly.