Courtney Duncan vs. Amos Willingham — Career Comparison

On the career pitching numbers, Courtney Duncan posted a stronger line than Amos Willingham. Courtney Duncan posted stronger numbers in ERA (4.8 vs 7.11) and WHIP (1.622 vs 1.895). By the career numbers, Courtney Duncan 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.