Patrick Corbin vs. John Johnstone — Career Comparison

Patrick Corbin 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 76), walk avoidance (BB%+ 147 vs 104), and strikeout rate (K%+ 109 vs 83). Role difference aside, John Johnstone holds a clear edge on every meaningful shared measure.