Justin Miller vs. Roy Smith — Career Comparison

On the career pitching numbers, Justin Miller posted a stronger line than Roy Smith. Justin Miller posted stronger numbers in ERA (4.82 vs 5.24) and WHIP (1.549 vs 1.970). By the career numbers, Justin 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.