Charlie Root vs. Hank Thormahlen — Career Comparison

On the career pitching numbers, Hank Thormahlen posted a stronger line than Charlie Root. Hank Thormahlen posted stronger numbers in ERA (3.33 vs 3.59) and home runs allowed (0.3 per nine innings vs 0.53). By the career numbers, Hank Thormahlen 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.