Courtney Duncan vs. John Perkovich — Career Comparison

On the career pitching numbers, Courtney Duncan posted a stronger line than John Perkovich. Courtney Duncan posted stronger numbers in ERA (4.8 vs 7.2) and home runs allowed (1 per nine innings vs 5.4). 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.