Mike Mattimore vs. Zac Rosscup — Career Comparison

On the career pitching numbers, Mike Mattimore posted a stronger line than Zac Rosscup. Mike Mattimore posted stronger numbers in ERA (3.83 vs 5.09) and WHIP (1.423 vs 1.673). By the career numbers, Mike Mattimore 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.