John Perkovich vs. Scott Sullivan — Career Comparison

On the career pitching numbers, Scott Sullivan posted a stronger line than John Perkovich. Scott Sullivan posted stronger numbers in ERA (3.98 vs 7.2) and WHIP (1.368 vs 1.600). By the career numbers, Scott Sullivan 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.