Wilbur Cooper vs. AJ Smith-Shawver — Career Comparison

On the career pitching numbers, Wilbur Cooper posted a stronger line than AJ Smith-Shawver. Wilbur Cooper posted stronger numbers in ERA (2.89 vs 3.77) and WHIP (1.226 vs 1.297). By the career numbers, Wilbur 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.