Kevin Campbell vs. John Harkins — Career Comparison

On the career pitching numbers, John Harkins posted a stronger line than Kevin Campbell. John Harkins posted stronger numbers in ERA (4.09 vs 4.55) and WHIP (1.369 vs 1.525). By the career numbers, John Harkins 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.