Jonathan Aro vs. Steve Shifflett — Career Comparison

On the career pitching numbers, Steve Shifflett posted a stronger line than Jonathan Aro. Steve Shifflett posted stronger numbers in ERA (2.6 vs 6.55) and WHIP (1.500 vs 1.909). By the career numbers, Steve Shifflett 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.