Aaron Laffey vs. John Miller — Career Comparison

On the career pitching numbers, John Miller posted a stronger line than Aaron Laffey. John Miller posted stronger numbers in ERA (3.89 vs 4.44) and WHIP (1.449 vs 1.535). By the career numbers, John 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.