Lefty Clarke vs. Stover McIlwain — Career Comparison

Looking at the career totals, Lefty Clarke and Stover McIlwain are fairly close on the surface numbers. Stover McIlwain posted stronger numbers in ERA (1.8 vs 5.4) and WHIP (1.400 vs 1.800). Lefty Clarke had the advantage in home runs allowed (0 per nine innings vs 1.8). By the career numbers, Stover McIlwain 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.