Hugh Casey vs. Slim McGrew — Career Comparison

Looking at the career totals, Hugh Casey and Slim McGrew are fairly close on the surface numbers. Hugh Casey posted stronger numbers in ERA (3.45 vs 6.6) and WHIP (1.337 vs 1.900). Slim McGrew had the advantage in home runs allowed (0.3 per nine innings vs 0.56). By the career numbers, Hugh Casey 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.