Charlie Kerfeld vs. Carlos Martinez — Career Comparison

Carlos Martinez built a career as a starting pitcher and Charlie Kerfeld as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Carlos Martinez led in run prevention (ERA+ 130 vs 116), home run suppression (HR9+ 180 vs 170), and skill-based run prevention (DICE+ 117 vs 109). Role difference aside, Carlos Martinez holds a clear edge on every meaningful shared measure.