Kirk McCaskill vs. Mike O'Rourke — Career Comparison

Kirk McCaskill built a career as a starting pitcher and Mike O'Rourke as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Mike O'Rourke posted stronger surface numbers — ERA 4.07 and WHIP 1.357 compared to 4.12 and 1.416 for Kirk McCaskill. By the career numbers, Mike O'Rourke had the better of this cross-role comparison — though era context would sharpen the verdict.