Aroldis Chapman vs. Brian Fisher — Career Comparison

Brian Fisher built a career as a starting pitcher and Aroldis Chapman as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Aroldis Chapman led in strikeout rate (K%+ 161 vs 84), home run suppression (HR9+ 126 vs 78), and skill-based run prevention (DICE+ 117 vs 85). Brian Fisher held the edge in walk avoidance (BB%+ 90 vs 60). Role difference aside, Aroldis Chapman holds a clear edge on every meaningful shared measure.