John Costello vs. Drew Hutchison — Career Comparison

Drew Hutchison built a career as a starting pitcher and John Costello as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. John Costello led in run prevention (ERA+ 135 vs 82), home run suppression (HR9+ 115 vs 85), and skill-based run prevention (DICE+ 99 vs 91). Drew Hutchison held the edge in walk avoidance (BB%+ 94 vs 91). Role difference aside, John Costello holds a clear edge on every meaningful shared measure.