Jonathan Aro vs. Ralph Miller — Career Comparison

On the career pitching numbers, Ralph Miller posted a stronger line than Jonathan Aro. Ralph Miller posted stronger numbers in ERA (5.15 vs 6.55) and WHIP (1.617 vs 1.909). By the career numbers, Ralph Miller 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.