Jay Aldrich vs. Jimmy Key — Career Comparison

Jimmy Key built a career as a starting pitcher and Jay Aldrich 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 strikeout rate (K%+ 90 vs 64), run prevention (ERA+ 121 vs 102), and walk avoidance (BB%+ 151 vs 132). Jay Aldrich held the edge in home run suppression (HR9+ 98 vs 93). Role difference aside, Jimmy Key holds a clear edge on every meaningful shared measure.