Jay Baller vs. Dan Dumoulin — Career Comparison

Looking at the career totals, Jay Baller and Dan Dumoulin are fairly close on the surface numbers. Jay Baller posted stronger numbers in ERA (5.24 vs 7.84) and WHIP (1.676 vs 2.613). Dan Dumoulin had the advantage in home runs allowed (0 per nine innings vs 1.5). By the career numbers, Jay Baller 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.