Jonathan Aro vs. Bob McClure — Career Comparison

On the career pitching numbers, Bob McClure posted a stronger line than Jonathan Aro. Bob McClure posted stronger numbers in ERA (3.81 vs 6.55) and WHIP (1.434 vs 1.909). By the career numbers, Bob McClure 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.