John Halama vs. Jonathan Papelbon — Career Comparison

John Halama built a career as a starting pitcher and Jonathan Papelbon as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jonathan Papelbon led in strikeout rate (K%+ 115 vs 76), run prevention (ERA+ 130 vs 105), and skill-based run prevention (DICE+ 117 vs 96). Role difference aside, Jonathan Papelbon holds a clear edge on every meaningful shared measure.