John Perkovich vs. Travis Phelps — Career Comparison

On the career pitching numbers, Travis Phelps posted a stronger line than John Perkovich. Travis Phelps posted stronger numbers in ERA (4.34 vs 7.2) and WHIP (1.382 vs 1.600). By the career numbers, Travis Phelps 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.