Kirk McCaskill vs. Darren O'Day — Career Comparison

Kirk McCaskill built a career as a starting pitcher and Darren O'Day as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Darren O'Day led in run prevention (ERA+ 158 vs 98), walk avoidance (BB%+ 136 vs 99), and strikeout rate (K%+ 110 vs 82). Role difference aside, Darren O'Day holds a clear edge on every meaningful shared measure.