Ernesto Frieri vs. Dan Petry — Career Comparison

Dan Petry built a career as a starting pitcher and Ernesto Frieri as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Ernesto Frieri led in strikeout rate (K%+ 145 vs 80), run prevention (ERA+ 111 vs 90), and skill-based run prevention (DICE+ 99 vs 82). Role difference aside, Ernesto Frieri holds a clear edge on every meaningful shared measure.