Aaron Northcraft vs. B. J. Ryan — Career Comparison

Looking at the career totals, Aaron Northcraft and B. J. Ryan are fairly close on the surface numbers. B. J. Ryan posted stronger numbers in WHIP (1.332 vs 1.625) and home runs allowed (0.7 per nine innings vs 1.13). Aaron Northcraft had the advantage in ERA (2.25 vs 3.37). By the career numbers, B. J. Ryan 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.