John Harris vs. Rube Marshall — Career Comparison

On the career pitching numbers, John Harris posted a stronger line than Rube Marshall. John Harris posted stronger numbers in ERA (3.97 vs 4.17) and WHIP (1.235 vs 1.562). By the career numbers, John Harris 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.