Dory Dean vs. John Perkovich — Career Comparison

On the career pitching numbers, Dory Dean posted a stronger line than John Perkovich. Dory Dean posted stronger numbers in ERA (3.73 vs 7.2) and home runs allowed (0.03 per nine innings vs 5.4). By the career numbers, Dory Dean 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.