Juan Acevedo vs. Jimmy Key — Career Comparison

Jimmy Key built a career as a starting pitcher and Juan Acevedo as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jimmy Key led in walk avoidance (BB%+ 151 vs 103), run prevention (ERA+ 121 vs 85), and skill-based run prevention (DICE+ 102 vs 82). Role difference aside, Jimmy Key holds a clear edge on every meaningful shared measure.