Jeff Heathcock vs. Slim McGrew — Career Comparison

Looking at the career totals, Jeff Heathcock and Slim McGrew are fairly close on the surface numbers. Jeff Heathcock posted stronger numbers in ERA (3.76 vs 6.6) and WHIP (1.234 vs 1.900). Slim McGrew had the advantage in home runs allowed (0.3 per nine innings vs 0.91). By the career numbers, Jeff Heathcock 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.