Keith Foulke vs. Shad Williams — Career Comparison

On the career pitching numbers, Keith Foulke posted a stronger line than Shad Williams. Keith Foulke posted stronger numbers in ERA (3.33 vs 8.59) and WHIP (1.106 vs 2.352). By the career numbers, Keith Foulke 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.