Jonathan Aro vs. Phil Morrison — Career Comparison

On the career pitching numbers, Phil Morrison posted a stronger line than Jonathan Aro. Phil Morrison posted stronger numbers in ERA (0 vs 6.55) and WHIP (1.500 vs 1.909). By the career numbers, Phil Morrison 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.