Unknown Allen vs. Dutch Leonard — Career Comparison

Looking at the career totals, Unknown Allen and Dutch Leonard are fairly close on the surface numbers. Dutch Leonard posted stronger numbers in ERA (3.25 vs 40.5) and WHIP (1.256 vs 7.500). Unknown Allen had the advantage in home runs allowed (0 per nine innings vs 0.44). By the career numbers, Dutch Leonard 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.