Jonathan Aro vs. Andy McGaffigan — Career Comparison

On the career pitching numbers, Andy McGaffigan posted a stronger line than Jonathan Aro. Andy McGaffigan posted stronger numbers in ERA (3.38 vs 6.55) and WHIP (1.326 vs 1.909). By the career numbers, Andy McGaffigan 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.