Jack Morris vs. Willis Roberts — Career Comparison

Jack Morris 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. Willis Roberts led in home run suppression (HR9+ 113 vs 87), run prevention (ERA+ 97 vs 86), and walk avoidance (BB%+ 100 vs 92). Jack Morris held the edge in strikeout rate (K%+ 103 vs 87). Role difference aside, Willis Roberts holds a clear edge on every meaningful shared measure.