John Perkovich vs. Tommy Phelps — Career Comparison

On the career pitching numbers, Tommy Phelps posted a stronger line than John Perkovich. Tommy Phelps posted stronger numbers in ERA (4.34 vs 7.2) and WHIP (1.504 vs 1.600). By the career numbers, Tommy 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.