John Perkovich vs. Esmil Rogers — Career Comparison

On the career pitching numbers, Esmil Rogers posted a stronger line than John Perkovich. Esmil Rogers posted stronger numbers in ERA (5.59 vs 7.2) and home runs allowed (1.19 per nine innings vs 5.4). By the career numbers, Esmil Rogers 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.