Boof Bonser vs. John Johnstone — Career Comparison

Boof Bonser built a career as a starting pitcher and John Johnstone as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. John Johnstone led in run prevention (ERA+ 127 vs 92), walk avoidance (BB%+ 147 vs 115), and skill-based run prevention (DICE+ 104 vs 99). Boof Bonser held the edge in strikeout rate (K%+ 116 vs 109). Role difference aside, John Johnstone holds a clear edge on every meaningful shared measure.