Mike Dunn vs. Jay Marshall — Career Comparison

Looking at the career totals, Mike Dunn and Jay Marshall are fairly close on the surface numbers. Mike Dunn posted stronger numbers in ERA (4 vs 7.66) and WHIP (1.447 vs 1.845). Jay Marshall had the advantage in home runs allowed (0.73 per nine innings vs 0.97). By the career numbers, Mike Dunn 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.