David Hernandez vs. Paco Rodriguez — Career Comparison

On the career pitching numbers, Paco Rodriguez posted a stronger line than David Hernandez. Paco Rodriguez posted stronger numbers in ERA (2.53 vs 4.12) and WHIP (1.055 vs 1.335). By the career numbers, Paco Rodriguez 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.