Porfi Altamirano vs. Oliver Perez — Career Comparison

Oliver Perez built a career as a starting pitcher and Porfi Altamirano 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 86 for Porfi Altamirano and 91 for Oliver Perez, with skill-based marks of DICE+ 86 and 87 respectively. Role difference aside, the slight lean goes to Oliver Perez — but these two were remarkably close on the shared metrics.