John Johnstone vs. Willis Roberts — Career Comparison

The numbers give John Johnstone a clear advantage over Willis Roberts across the core pitching metrics. John Johnstone led in walk avoidance (BB%+ 147 vs 100), run prevention (ERA+ 127 vs 97), and strikeout rate (K%+ 109 vs 87). Willis Roberts held the edge in home run suppression (HR9+ 113 vs 82). John Johnstone was the better reliever — the numbers make that case clearly.