Paul Gregory vs. Charley Hall — Career Comparison

On the career pitching numbers, Charley Hall posted a stronger line than Paul Gregory. Charley Hall posted stronger numbers in ERA (3.09 vs 4.72) and WHIP (1.332 vs 1.568). By the career numbers, Charley Hall 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.