Jon Matlack vs. Willis Roberts — Career Comparison

Jon Matlack 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. Jon Matlack led in strikeout rate (K%+ 114 vs 87), walk avoidance (BB%+ 120 vs 100), and skill-based run prevention (DICE+ 109 vs 94). Willis Roberts held the edge in home run suppression (HR9+ 113 vs 105). Role difference aside, Jon Matlack holds a clear edge on every meaningful shared measure.