Eddie Plank vs. Andy Sonnanstine — Career Comparison

On the career pitching numbers, Eddie Plank posted a stronger line than Andy Sonnanstine. Eddie Plank posted stronger numbers in ERA (2.35 vs 5.26) and WHIP (1.119 vs 1.414). By the career numbers, Eddie Plank 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.