Dave Leiper vs. Mark Leiter — Career Comparison

Mark Leiter 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 80), run prevention (ERA+ 139 vs 92), and skill-based run prevention (DICE+ 112 vs 93). Mark Leiter held the edge in strikeout rate (K%+ 107 vs 85). Role difference aside, Dave Leiper holds a clear edge on every meaningful shared measure.