Art Mahaffey vs. Carlos Villanueva — Career Comparison

Art Mahaffey built a career as a starting pitcher and Carlos Villanueva as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Their run-prevention marks were nearly identical — ERA+ of 90 for Art Mahaffey and 91 for Carlos Villanueva, with skill-based marks of DICE+ 90 and 89 respectively. Role difference aside, the slight lean goes to Art Mahaffey — but these two were remarkably close on the shared metrics.