Clarence Fieber vs. Mason Thompson — Career Comparison

On the career pitching numbers, Clarence Fieber posted a stronger line than Mason Thompson. Clarence Fieber posted stronger numbers in ERA (1.69 vs 5.21) and home runs allowed (0 per nine innings vs 0.87). By the career numbers, Clarence Fieber 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.