David Bednar vs. John Perkovich — Career Comparison

On the career pitching numbers, David Bednar posted a stronger line than John Perkovich. David Bednar posted stronger numbers in ERA (3.15 vs 7.2) and WHIP (1.194 vs 1.600). By the career numbers, David Bednar 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.