Bump Hadley vs. Ken Holtzman — Career Comparison

Looking at the career totals, Bump Hadley and Ken Holtzman are fairly close on the surface numbers. Ken Holtzman posted stronger numbers in ERA (3.49 vs 4.24) and WHIP (1.314 vs 1.501). Bump Hadley had the advantage in home runs allowed (0.51 per nine innings vs 0.78). By the career numbers, Ken Holtzman 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.