Yilber Díaz vs. Rudy Schwenck — Career Comparison

On the career pitching numbers, Rudy Schwenck posted a stronger line than Yilber Díaz. Rudy Schwenck posted stronger numbers in ERA (3.86 vs 4.31) and WHIP (1.357 vs 1.468). By the career numbers, Rudy Schwenck 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.