Joe Horlen vs. Rube Marshall — Career Comparison

Looking at the career totals, Joe Horlen and Rube Marshall are fairly close on the surface numbers. Joe Horlen posted stronger numbers in ERA (3.11 vs 4.17) and WHIP (1.223 vs 1.562). Rube Marshall had the advantage in home runs allowed (0.19 per nine innings vs 0.65). By the career numbers, Joe Horlen 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.