Butch Henry vs. Jack O'Connor — Career Comparison

Butch Henry built a career as a starting pitcher and Jack O'Connor 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 82), run prevention (ERA+ 118 vs 80), and skill-based run prevention (DICE+ 101 vs 86). Jack O'Connor held the edge in strikeout rate (K%+ 85 vs 83). Role difference aside, Butch Henry holds a clear edge on every meaningful shared measure.