Jonathan Aro vs. Bob Chakales — Career Comparison

On the career pitching numbers, Bob Chakales posted a stronger line than Jonathan Aro. Bob Chakales posted stronger numbers in ERA (4.54 vs 6.55) and WHIP (1.623 vs 1.909). By the career numbers, Bob Chakales 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.