Daniel Ponce de Leon vs. Ben Rivera — Career Comparison

Looking at the career totals, Daniel Ponce de Leon and Ben Rivera are fairly close on the surface numbers. Daniel Ponce de Leon posted stronger numbers in ERA (4.33 vs 4.52) and WHIP (1.354 vs 1.489). Ben Rivera had the advantage in home runs allowed (0.9 per nine innings vs 1.28). By the career numbers, Daniel Ponce de Leon 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.