Don Cooper vs. Juan Morillo — Career Comparison

On the career pitching numbers, Don Cooper posted a stronger line than Juan Morillo. Don Cooper posted stronger numbers in ERA (5.27 vs 13.5) and WHIP (1.723 vs 2.063). By the career numbers, Don Cooper 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.