Dan Dumoulin vs. Francisco Perez — Career Comparison

Looking at the career totals, Dan Dumoulin and Francisco Perez are fairly close on the surface numbers. Francisco Perez posted stronger numbers in ERA (5.91 vs 7.84) and WHIP (1.781 vs 2.613). Dan Dumoulin had the advantage in home runs allowed (0 per nine innings vs 0.56). By the career numbers, Francisco Perez 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.