Ed Conley vs. Erik Swanson — Career Comparison

On the career pitching numbers, Ed Conley posted a stronger line than Erik Swanson. Ed Conley posted stronger numbers in ERA (2.15 vs 4.2) and home runs allowed (0.51 per nine innings vs 1.66). By the career numbers, Ed Conley 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.