Jonathan Aro vs. Paul Assenmacher — Career Comparison

On the career pitching numbers, Paul Assenmacher posted a stronger line than Jonathan Aro. Paul Assenmacher posted stronger numbers in ERA (3.53 vs 6.55) and WHIP (1.414 vs 1.909). By the career numbers, Paul Assenmacher 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.