Clem Dreisewerd vs. Mason Thompson — Career Comparison

On the career pitching numbers, Clem Dreisewerd posted a stronger line than Mason Thompson. Clem Dreisewerd posted stronger numbers in ERA (4.54 vs 5.21) and WHIP (1.415 vs 1.667). By the career numbers, Clem Dreisewerd 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.