Dutch Leonard vs. Mark Petkovsek — Career Comparison

Dutch Leonard built a career as a starting pitcher and Mark Petkovsek as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Dutch Leonard posted stronger surface numbers — ERA 3.25 and WHIP 1.256 compared to 4.74 and 1.472 for Mark Petkovsek. By the career numbers, Dutch Leonard had the better of this cross-role comparison — though era context would sharpen the verdict.