Unknown Anderson vs. Bump Hadley — Career Comparison

Looking at the career totals, Unknown Anderson and Bump Hadley are fairly close on the surface numbers. Bump Hadley posted stronger numbers in ERA (4.24 vs 9) and WHIP (1.501 vs 2.000). Unknown Anderson had the advantage in home runs allowed (0 per nine innings vs 0.51). By the career numbers, Bump Hadley 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.