Bump Hadley vs. Atlee Hammaker — Career Comparison

Looking at the career totals, Bump Hadley and Atlee Hammaker are fairly close on the surface numbers. Atlee Hammaker posted stronger numbers in ERA (3.66 vs 4.24) and WHIP (1.290 vs 1.501). Bump Hadley had the advantage in home runs allowed (0.51 per nine innings vs 0.78). By the career numbers, Atlee Hammaker 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.