David Purcey vs. Shad Williams — Career Comparison

On the career pitching numbers, David Purcey posted a stronger line than Shad Williams. David Purcey posted stronger numbers in ERA (4.98 vs 8.59) and WHIP (1.578 vs 2.352). By the career numbers, David Purcey 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.