Brent Headrick vs. B. J. Ryan — Career Comparison

Looking at the career totals, Brent Headrick and B. J. Ryan are fairly close on the surface numbers. B. J. Ryan posted stronger numbers in ERA (3.37 vs 4.7) and home runs allowed (0.7 per nine innings vs 2.09). Brent Headrick had the advantage in WHIP (1.277 vs 1.332). 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.