Mike Duvall vs. Jordan Sheffield — Career Comparison

On the career pitching numbers, Jordan Sheffield posted a stronger line than Mike Duvall. Jordan Sheffield posted stronger numbers in ERA (3.16 vs 4.76) and WHIP (1.149 vs 1.863). By the career numbers, Jordan Sheffield 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.