John Koronka vs. Kevin Whelan — Career Comparison

John Koronka built a career as a starting pitcher and Kevin Whelan as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. John Koronka posted stronger surface numbers — ERA 6.25 and WHIP 1.642 compared to 9 and 3.333 for Kevin Whelan. By the career numbers, John Koronka had the better of this cross-role comparison — though era context would sharpen the verdict.