Dan Dumoulin vs. Donnie Joseph — Career Comparison

Looking at the career totals, Dan Dumoulin and Donnie Joseph are fairly close on the surface numbers. Dan Dumoulin posted stronger numbers in ERA (7.84 vs 8.53) and home runs allowed (0 per nine innings vs 1.42). Donnie Joseph had the advantage in WHIP (2.211 vs 2.613). By the career numbers, Dan Dumoulin 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.