Jonathan Aro vs. Tim Spooneybarger — Career Comparison

On the career pitching numbers, Tim Spooneybarger posted a stronger line than Jonathan Aro. Tim Spooneybarger posted stronger numbers in ERA (3.24 vs 6.55) and WHIP (1.182 vs 1.909). By the career numbers, Tim Spooneybarger 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.