Dan Dumoulin vs. Steven Jackson — Career Comparison

Looking at the career totals, Dan Dumoulin and Steven Jackson are fairly close on the surface numbers. Steven Jackson posted stronger numbers in ERA (4.31 vs 7.84) and WHIP (1.583 vs 2.613). Dan Dumoulin had the advantage in home runs allowed (0 per nine innings vs 0.99). By the career numbers, Steven Jackson 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.