Jonathan Aro vs. Brian Sweeney — Career Comparison

On the career pitching numbers, Brian Sweeney posted a stronger line than Jonathan Aro. Brian Sweeney posted stronger numbers in ERA (3.38 vs 6.55) and WHIP (1.231 vs 1.909). By the career numbers, Brian Sweeney 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.