Bill James vs. Harry Thompson — Career Comparison

Looking at the career totals, Bill James and Harry Thompson are fairly close on the surface numbers. Bill James posted stronger numbers in ERA (3.2 vs 4.23) and home runs allowed (0.12 per nine innings vs 0.65). Harry Thompson had the advantage in WHIP (1.355 vs 1.431). By the career numbers, Bill James 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.