Jack Aker vs. Ismael Valdez — Career Comparison

Ismael Valdez built a career as a starting pitcher and Jack Aker 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 89 for Jack Aker and 93 for Ismael Valdez, with skill-based marks of DICE+ 88 and 87 respectively. Role difference aside, the slight lean goes to Jack Aker — but these two were remarkably close on the shared metrics.