Dan Dumoulin vs. Ryan Kohlmeier — Career Comparison

Looking at the career totals, Dan Dumoulin and Ryan Kohlmeier are fairly close on the surface numbers. Ryan Kohlmeier posted stronger numbers in ERA (5.37 vs 7.84) and WHIP (1.731 vs 2.613). Dan Dumoulin had the advantage in home runs allowed (0 per nine innings vs 1.88). By the career numbers, Ryan Kohlmeier 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.