Jonathan Hernandez vs. Slim McGrew — Career Comparison

Looking at the career totals, Jonathan Hernandez and Slim McGrew are fairly close on the surface numbers. Jonathan Hernandez posted stronger numbers in ERA (4.29 vs 6.6) and WHIP (1.477 vs 1.900). Slim McGrew had the advantage in home runs allowed (0.3 per nine innings vs 1). By the career numbers, Jonathan Hernandez 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.