Ed Gerner vs. Willis Roberts — Career Comparison

On the career pitching numbers, Ed Gerner posted a stronger line than Willis Roberts. Ed Gerner posted stronger numbers in ERA (3.18 vs 4.64) and home runs allowed (0 per nine innings vs 0.94). By the career numbers, Ed Gerner 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.