Charlie Kerfeld vs. Josh Maciejewski — Career Comparison

Looking at the career totals, Charlie Kerfeld and Josh Maciejewski are fairly close on the surface numbers. Josh Maciejewski posted stronger numbers in ERA (2.57 vs 4.2) and WHIP (0.857 vs 1.572). Charlie Kerfeld had the advantage in home runs allowed (0.54 per nine innings vs 1.29). By the career numbers, Josh Maciejewski 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.