Hank Aguirre vs. Jack O'Connor — Career Comparison

Hank Aguirre 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. Hank Aguirre led in walk avoidance (BB%+ 116 vs 82), run prevention (ERA+ 113 vs 80), and home run suppression (HR9+ 105 vs 89). Role difference aside, Hank Aguirre holds a clear edge on every meaningful shared measure.