Rosario Rodriguez vs. Jeff Wallace — Career Comparison

Looking at the career totals, Rosario Rodriguez and Jeff Wallace are fairly close on the surface numbers. Jeff Wallace posted stronger numbers in ERA (4.2 vs 4.8) and home runs allowed (0.72 per nine innings vs 1.2). Rosario Rodriguez had the advantage in WHIP (1.533 vs 1.745). By the career numbers, Jeff Wallace 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.