Scot Shields vs. Jose Valdez — Career Comparison

On the career pitching numbers, Scot Shields posted a stronger line than Jose Valdez. Scot Shields posted stronger numbers in ERA (3.18 vs 5.88) and WHIP (1.274 vs 1.769). By the career numbers, Scot Shields 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.