Bob Anderson vs. Sean Marshall — Career Comparison

Bob Anderson built a career as a starting pitcher and Sean Marshall as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Sean Marshall led in walk avoidance (BB%+ 113 vs 93), run prevention (ERA+ 107 vs 89), and skill-based run prevention (DICE+ 109 vs 98). Bob Anderson held the edge in strikeout rate (K%+ 100 vs 99). Role difference aside, Sean Marshall holds a clear edge on every meaningful shared measure.