Jonathan Aro vs. Clay Van Alstyne — Career Comparison

On the career pitching numbers, Clay Van Alstyne posted a stronger line than Jonathan Aro. Clay Van Alstyne posted stronger numbers in ERA (5.18 vs 6.55) and WHIP (1.726 vs 1.909). By the career numbers, Clay Van Alstyne 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.