George Pierce vs. Charlie Root — Career Comparison

On the career pitching numbers, George Pierce posted a stronger line than Charlie Root. George Pierce posted stronger numbers in ERA (3.11 vs 3.59) and home runs allowed (0.14 per nine innings vs 0.53). By the career numbers, George Pierce 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.