Paul Gregory vs. Bump Hadley — Career Comparison

On the career pitching numbers, Bump Hadley posted a stronger line than Paul Gregory. Bump Hadley posted stronger numbers in ERA (4.24 vs 4.72) and WHIP (1.501 vs 1.568). 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.