Luther Hackman vs. Jimmy Key — Career Comparison

Jimmy Key built a career as a starting pitcher and Luther Hackman 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 95), run prevention (ERA+ 121 vs 91), and skill-based run prevention (DICE+ 102 vs 86). Luther Hackman held the edge in home run suppression (HR9+ 101 vs 93). Role difference aside, Jimmy Key holds a clear edge on every meaningful shared measure.