Mike Overy vs. John Perkovich — Career Comparison

On the career pitching numbers, Mike Overy posted a stronger line than John Perkovich. Mike Overy posted stronger numbers in ERA (6.14 vs 7.2) and WHIP (1.364 vs 1.600). By the career numbers, Mike Overy 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.