Adam Johnson vs. Rube Marshall — Career Comparison

On the career pitching numbers, Rube Marshall posted a stronger line than Adam Johnson. Rube Marshall posted stronger numbers in ERA (4.17 vs 10.25) and WHIP (1.562 vs 2.051). By the career numbers, Rube Marshall 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.