Corey Kluber vs. Bob Macdonald — Career Comparison

Corey Kluber built a career as a starting pitcher and Bob Macdonald as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Corey Kluber led in walk avoidance (BB%+ 166 vs 100), skill-based run prevention (DICE+ 131 vs 94), and strikeout rate (K%+ 122 vs 90). Role difference aside, Corey Kluber holds a clear edge on every meaningful shared measure.