Dave Campbell vs. Frank Hafner — Career Comparison

On the career pitching numbers, Dave Campbell posted a stronger line than Frank Hafner. Dave Campbell posted stronger numbers in ERA (3.82 vs 7) and WHIP (1.551 vs 2.222). By the career numbers, Dave Campbell 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.