Juan Alvarez vs. Zac Rosscup — Career Comparison

Looking at the career totals, Juan Alvarez and Zac Rosscup are fairly close on the surface numbers. Zac Rosscup had the edge in ERA (5.09 vs 5.22). By the career numbers, Zac Rosscup 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.