Danny Duffy vs. Ron Willis — Career Comparison

Danny Duffy built a career as a starting pitcher and Ron Willis 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 105 for Danny Duffy and 107 for Ron Willis, with skill-based marks of DICE+ 93 and 90 respectively. Role difference aside, the slight lean goes to Ron Willis — but these two were remarkably close on the shared metrics.