John Gillespie vs. Zac Rosscup — Career Comparison

On the career pitching numbers, John Gillespie posted a stronger line than Zac Rosscup. John Gillespie posted stronger numbers in ERA (4.52 vs 5.09) and WHIP (1.455 vs 1.673). By the career numbers, John Gillespie 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.