Jonathan Aro vs. Yusmeiro Petit — Career Comparison

On the career pitching numbers, Yusmeiro Petit posted a stronger line than Jonathan Aro. Yusmeiro Petit posted stronger numbers in ERA (3.93 vs 6.55) and WHIP (1.176 vs 1.909). By the career numbers, Yusmeiro Petit 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.