Jose Mercedes vs. Billy Wagner — Career Comparison

Jose Mercedes built a career as a starting pitcher and Billy Wagner as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Billy Wagner led in strikeout rate (K%+ 162 vs 82), run prevention (ERA+ 183 vs 108), and skill-based run prevention (DICE+ 142 vs 97). Role difference aside, Billy Wagner holds a clear edge on every meaningful shared measure.