Jonathan Aro vs. Bob Stanley — Career Comparison

On the career pitching numbers, Bob Stanley posted a stronger line than Jonathan Aro. Bob Stanley posted stronger numbers in ERA (3.64 vs 6.55) and WHIP (1.415 vs 1.909). By the career numbers, Bob Stanley 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.