Kevin Frederick vs. Colin Selby — Career Comparison

On the career pitching numbers, Colin Selby posted a stronger line than Kevin Frederick. Colin Selby posted stronger numbers in ERA (6.2 vs 7.59) and WHIP (1.556 vs 1.785). By the career numbers, Colin Selby 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.