Billy Muffett vs. Willis Roberts — Career Comparison

Billy Muffett 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. Billy Muffett led in walk avoidance (BB%+ 131 vs 100), home run suppression (HR9+ 136 vs 113), and skill-based run prevention (DICE+ 108 vs 94). Willis Roberts held the edge in run prevention (ERA+ 97 vs 94). Role difference aside, Billy Muffett holds a clear edge on every meaningful shared measure.