Michael Kopech vs. Bob Locker — Career Comparison

Michael Kopech built a career as a starting pitcher and Bob Locker as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Bob Locker led in walk avoidance (BB%+ 127 vs 58), home run suppression (HR9+ 149 vs 83), and skill-based run prevention (DICE+ 117 vs 78). Role difference aside, Bob Locker holds a clear edge on every meaningful shared measure.