Jeremy Affeldt vs. Butch Henry — Career Comparison

Butch Henry built a career as a starting pitcher and Jeremy Affeldt as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Butch Henry led in walk avoidance (BB%+ 146 vs 87), run prevention (ERA+ 118 vs 98), and skill-based run prevention (DICE+ 101 vs 89). Jeremy Affeldt held the edge in home run suppression (HR9+ 118 vs 94). Role difference aside, Butch Henry holds a clear edge on every meaningful shared measure.