Don Carman vs. Dave Leiper — Career Comparison

Don Carman built a career as a starting pitcher and Dave Leiper as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Dave Leiper led in home run suppression (HR9+ 200 vs 77), run prevention (ERA+ 139 vs 91), and walk avoidance (BB%+ 121 vs 90). Don Carman held the edge in strikeout rate (K%+ 95 vs 85). Role difference aside, Dave Leiper holds a clear edge on every meaningful shared measure.