Rudy Hernandez vs. J. J. Putz — Career Comparison

Looking at the career totals, Rudy Hernandez and J. J. Putz are fairly close on the surface numbers. J. J. Putz posted stronger numbers in ERA (3.08 vs 4.12) and WHIP (1.184 vs 1.580). Rudy Hernandez had the advantage in home runs allowed (0.41 per nine innings vs 0.79). By the career numbers, J. J. Putz 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.