Jack Aker vs. Mike Morgan — Career Comparison

Mike Morgan built a career as a starting pitcher and Jack Aker as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Mike Morgan led in home run suppression (HR9+ 90 vs 76), run prevention (ERA+ 95 vs 89), and skill-based run prevention (DICE+ 89 vs 88). Jack Aker held the edge in strikeout rate (K%+ 86 vs 78). Role difference aside, Mike Morgan holds a clear edge on every meaningful shared measure.