Jonathan Aro vs. Bobby Mitchell — Career Comparison

On the career pitching numbers, Bobby Mitchell posted a stronger line than Jonathan Aro. Bobby Mitchell posted stronger numbers in ERA (3.18 vs 6.55) and WHIP (1.344 vs 1.909). By the career numbers, Bobby Mitchell 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.