Brent Headrick vs. Slim McGrew — Career Comparison

Looking at the career totals, Brent Headrick and Slim McGrew are fairly close on the surface numbers. Brent Headrick posted stronger numbers in ERA (4.7 vs 6.6) and WHIP (1.277 vs 1.900). Slim McGrew had the advantage in home runs allowed (0.3 per nine innings vs 2.09). By the career numbers, Brent Headrick 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.