Art Mahaffey vs. Bob McClure — Career Comparison

Art Mahaffey built a career as a starting pitcher and Bob McClure as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Art Mahaffey led in strikeout rate (K%+ 102 vs 90), skill-based run prevention (DICE+ 90 vs 85), and walk avoidance (BB%+ 94 vs 90). Bob McClure held the edge in run prevention (ERA+ 100 vs 90). Role difference aside, Art Mahaffey holds a clear edge on every meaningful shared measure.