Gentry Jessup vs. Rube Marshall — Career Comparison

On the career pitching numbers, Gentry Jessup posted a stronger line than Rube Marshall. Gentry Jessup posted stronger numbers in ERA (3.4 vs 4.17) and WHIP (1.281 vs 1.562). By the career numbers, Gentry Jessup 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.