Jake Diekman vs. Slim McGrew — Career Comparison

Looking at the career totals, Jake Diekman and Slim McGrew are fairly close on the surface numbers. Jake Diekman posted stronger numbers in ERA (3.91 vs 6.6) and WHIP (1.431 vs 1.900). Slim McGrew had the advantage in home runs allowed (0.3 per nine innings vs 0.79). By the career numbers, Jake Diekman 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.