Bill Duggleby vs. Art Lopatka — Career Comparison

On the career pitching numbers, Bill Duggleby posted a stronger line than Art Lopatka. Bill Duggleby posted stronger numbers in ERA (3.18 vs 6.35) and WHIP (1.302 vs 1.588). By the career numbers, Bill Duggleby 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.