Sean Burnett vs. John Perkovich — Career Comparison

On the career pitching numbers, Sean Burnett posted a stronger line than John Perkovich. Sean Burnett posted stronger numbers in ERA (3.52 vs 7.2) and WHIP (1.401 vs 1.600). By the career numbers, Sean Burnett 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.