Mark Gubicza vs. Willis Roberts — Career Comparison

Mark Gubicza built a career as a starting pitcher and Willis Roberts as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Mark Gubicza led in home run suppression (HR9+ 131 vs 113), run prevention (ERA+ 108 vs 97), and skill-based run prevention (DICE+ 102 vs 94). Role difference aside, Mark Gubicza holds a clear edge on every meaningful shared measure.