John Halama vs. Dave Leonhard — Career Comparison

John Halama built a career as a starting pitcher and Dave Leonhard as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. John Halama led in walk avoidance (BB%+ 129 vs 100), strikeout rate (K%+ 76 vs 66), and skill-based run prevention (DICE+ 96 vs 89). Dave Leonhard held the edge in run prevention (ERA+ 117 vs 105). Role difference aside, John Halama holds a clear edge on every meaningful shared measure.