Ryan Dull vs. Jay Marshall — Career Comparison

Looking at the career totals, Ryan Dull and Jay Marshall are fairly close on the surface numbers. Ryan Dull posted stronger numbers in ERA (4.31 vs 7.66) and WHIP (1.185 vs 1.845). Jay Marshall had the advantage in home runs allowed (0.73 per nine innings vs 1.52). By the career numbers, Ryan Dull 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.