Luarbert Arias vs. Andy Boswell — Career Comparison

On the career pitching numbers, Andy Boswell posted a stronger line than Luarbert Arias. Andy Boswell posted stronger numbers in ERA (5.91 vs 11.32) and WHIP (1.969 vs 2.129). By the career numbers, Andy Boswell 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.