Ron Davis vs. J. A. Happ — Career Comparison

J. A. Happ built a career as a starting pitcher and Ron Davis as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. J. A. Happ led in run prevention (ERA+ 96 vs 79), home run suppression (HR9+ 80 vs 67), and walk avoidance (BB%+ 95 vs 85). Ron Davis held the edge in strikeout rate (K%+ 128 vs 96). Role difference aside, J. A. Happ holds a clear edge on every meaningful shared measure.