Unknown Clark vs. Herb Kelly — Career Comparison

Looking at the career totals, Unknown Clark and Herb Kelly are fairly close on the surface numbers. Herb Kelly posted stronger numbers in ERA (2.95 vs 7.5) and WHIP (1.227 vs 1.500). Unknown Clark had the advantage in home runs allowed (0 per nine innings vs 0.25). By the career numbers, Herb Kelly 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.