Clarence Heise vs. Slim McGrew — Career Comparison

Looking at the career totals, Clarence Heise and Slim McGrew are fairly close on the surface numbers. Clarence Heise posted stronger numbers in ERA (4.5 vs 6.6) and WHIP (1.500 vs 1.900). Slim McGrew had the advantage in home runs allowed (0.3 per nine innings vs 4.5). By the career numbers, Clarence Heise 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.