Dan Dumoulin vs. Tony Peña — Career Comparison

Looking at the career totals, Dan Dumoulin and Tony Peña are fairly close on the surface numbers. Tony Peña posted stronger numbers in ERA (4.43 vs 7.84) and WHIP (1.433 vs 2.613). Dan Dumoulin had the advantage in home runs allowed (0 per nine innings vs 0.9). By the career numbers, Tony Peña 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.