John Perkovich vs. Henry Porter — Career Comparison

On the career pitching numbers, Henry Porter posted a stronger line than John Perkovich. Henry Porter posted stronger numbers in ERA (3.7 vs 7.2) and WHIP (1.315 vs 1.600). By the career numbers, Henry Porter 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.