Adam Liberatore vs. Art Mahaffey — Career Comparison

Art Mahaffey built a career as a starting pitcher and Adam Liberatore as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Adam Liberatore posted stronger surface numbers — ERA 3.55 and WHIP 1.320 compared to 4.17 and 1.351 for Art Mahaffey. By the career numbers, Adam Liberatore had the better of this cross-role comparison — though era context would sharpen the verdict.