Michael Kopech vs. Scott Williamson — Career Comparison

Michael Kopech built a career as a starting pitcher and Scott Williamson as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Scott Williamson led in home run suppression (HR9+ 142 vs 83), skill-based run prevention (DICE+ 125 vs 78), and strikeout rate (K%+ 146 vs 100). Role difference aside, Scott Williamson holds a clear edge on every meaningful shared measure.