Mike Koplove vs. Alfredo Simon — Career Comparison

Alfredo Simon built a career as a starting pitcher and Mike Koplove as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Mike Koplove led in home run suppression (HR9+ 173 vs 89), run prevention (ERA+ 124 vs 91), and skill-based run prevention (DICE+ 108 vs 88). Role difference aside, Mike Koplove holds a clear edge on every meaningful shared measure.