Jonathan Aro vs. Jeff Marquez — Career Comparison

On the career pitching numbers, Jeff Marquez posted a stronger line than Jonathan Aro. Jeff Marquez posted stronger numbers in ERA (5.4 vs 6.55) and WHIP (1.400 vs 1.909). By the career numbers, Jeff Marquez 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.