Ray Black vs. John Perkovich — Career Comparison

On the career pitching numbers, Ray Black posted a stronger line than John Perkovich. Ray Black posted stronger numbers in ERA (5.53 vs 7.2) and WHIP (1.299 vs 1.600). By the career numbers, Ray Black 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.