Mac MacArthur vs. Elmer Singleton — Career Comparison

Looking at the career totals, Mac MacArthur and Elmer Singleton are fairly close on the surface numbers. Elmer Singleton posted stronger numbers in ERA (4.83 vs 5.02) and WHIP (1.437 vs 1.500). Mac MacArthur had the advantage in home runs allowed (0.17 per nine innings vs 0.91). By the career numbers, Elmer Singleton 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.