Clayton Kershaw vs. Ed Walsh — Career Comparison

On the career pitching numbers, Ed Walsh posted a stronger line than Clayton Kershaw. Ed Walsh posted stronger numbers in ERA (1.82 vs 2.53) and home runs allowed (0.07 per nine innings vs 0.74). By the career numbers, Ed Walsh 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.