Bob James vs. Billy Muffett — Career Comparison

Billy Muffett built a career as a starting pitcher and Bob James as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Bob James led in strikeout rate (K%+ 121 vs 92), run prevention (ERA+ 111 vs 94), and skill-based run prevention (DICE+ 110 vs 108). Billy Muffett held the edge in home run suppression (HR9+ 136 vs 113). Keeping the role difference in mind, the edge still goes to Bob James.