Jonathan Aro vs. Rick Steirer — Career Comparison

On the career pitching numbers, Rick Steirer posted a stronger line than Jonathan Aro. Rick Steirer posted stronger numbers in ERA (4.86 vs 6.55) and WHIP (1.588 vs 1.909). By the career numbers, Rick Steirer 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.