Jeremy Affeldt vs. Mike Clevinger — Career Comparison

Mike Clevinger built a career as a starting pitcher and Jeremy Affeldt as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Mike Clevinger led in run prevention (ERA+ 134 vs 98), strikeout rate (K%+ 116 vs 81), and skill-based run prevention (DICE+ 124 vs 89). Role difference aside, Mike Clevinger holds a clear edge on every meaningful shared measure.