Kevin Frederick vs. Steven Wilson — Career Comparison

On the career pitching numbers, Steven Wilson posted a stronger line than Kevin Frederick. Steven Wilson posted stronger numbers in ERA (3.86 vs 7.59) and WHIP (1.296 vs 1.785). By the career numbers, Steven Wilson 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.