John Costello vs. Danny McDevitt — Career Comparison

Danny McDevitt 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. Danny McDevitt led in home run suppression (HR9+ 168 vs 115), strikeout rate (K%+ 126 vs 99), and skill-based run prevention (DICE+ 103 vs 99). John Costello held the edge in run prevention (ERA+ 135 vs 106). Keeping the role difference in mind, the edge still goes to Danny McDevitt.