Bill Campbell vs. Phillips Valdez — Career Comparison

On the career pitching numbers, Bill Campbell posted a stronger line than Phillips Valdez. Bill Campbell posted stronger numbers in ERA (3.54 vs 4.56) and home runs allowed (0.6 per nine innings vs 0.88). By the career numbers, Bill 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.