Marty Bystrom vs. George Cunningham — Career Comparison

On the career pitching numbers, George Cunningham posted a stronger line than Marty Bystrom. George Cunningham posted stronger numbers in ERA (3.13 vs 4.26) and WHIP (1.304 vs 1.428). By the career numbers, George Cunningham 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.