Jonathan Aro vs. Ryan Borucki — Career Comparison

On the career pitching numbers, Ryan Borucki posted a stronger line than Jonathan Aro. Ryan Borucki posted stronger numbers in ERA (4.28 vs 6.55) and WHIP (1.311 vs 1.909). By the career numbers, Ryan Borucki 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.