Don Cooper vs. Effie Norton — Career Comparison

On the career pitching numbers, Effie Norton posted a stronger line than Don Cooper. Effie Norton posted stronger numbers in ERA (4.13 vs 5.27) and home runs allowed (0.3 per nine innings vs 1.48). By the career numbers, Effie Norton 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.