Jonathan Aro vs. John Burrows — Career Comparison

On the career pitching numbers, John Burrows posted a stronger line than Jonathan Aro. John Burrows posted stronger numbers in ERA (5.61 vs 6.55) and WHIP (1.569 vs 1.909). By the career numbers, John Burrows 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.