Jonathan Aro vs. George Grant — Career Comparison

On the career pitching numbers, George Grant posted a stronger line than Jonathan Aro. George Grant posted stronger numbers in ERA (5.65 vs 6.55) and WHIP (1.848 vs 1.909). By the career numbers, George Grant 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.