Jonathan Aro vs. Rudy Hernandez — Career Comparison

On the career pitching numbers, Rudy Hernandez posted a stronger line than Jonathan Aro. Rudy Hernandez posted stronger numbers in ERA (4.12 vs 6.55) and WHIP (1.580 vs 1.909). By the career numbers, Rudy Hernandez 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.