Art Mahaffey vs. Jim McCormick — Career Comparison

Art Mahaffey built a career as a starting pitcher and Jim McCormick as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jim McCormick posted stronger surface numbers — ERA 2.43 and WHIP 1.132 compared to 4.17 and 1.351 for Art Mahaffey. By the career numbers, Jim McCormick had the better of this cross-role comparison — though era context would sharpen the verdict.