Justin Miller vs. Zac Rosscup — Career Comparison

On the career pitching numbers, Justin Miller posted a stronger line than Zac Rosscup. Justin Miller posted stronger numbers in ERA (4.62 vs 5.09) and WHIP (1.278 vs 1.673). 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.