Herb Cobb vs. Luis Contreras — Career Comparison

On the career pitching numbers, Luis Contreras posted a stronger line than Herb Cobb. Luis Contreras posted stronger numbers in ERA (7.5 vs 36) and WHIP (1.556 vs 4.000). By the career numbers, Luis Contreras 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.