Jonathan Aro vs. Joel Peguero — Career Comparison

On the career pitching numbers, Joel Peguero posted a stronger line than Jonathan Aro. Joel Peguero posted stronger numbers in ERA (2.42 vs 6.55) and WHIP (1.075 vs 1.909). By the career numbers, Joel Peguero 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.