Jonathan Aro vs. Aaron Poreda — Career Comparison

On the career pitching numbers, Aaron Poreda posted a stronger line than Jonathan Aro. Aaron Poreda posted stronger numbers in ERA (4.67 vs 6.55) and WHIP (1.788 vs 1.909). By the career numbers, Aaron Poreda 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.