Justin Atchley vs. Dan Dumoulin — Career Comparison

Looking at the career totals, Justin Atchley and Dan Dumoulin are fairly close on the surface numbers. Justin Atchley posted stronger numbers in ERA (6.1 vs 7.84) and WHIP (1.839 vs 2.613). Dan Dumoulin had the advantage in home runs allowed (0 per nine innings vs 3.48). By the career numbers, Justin Atchley had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.