Rocky Biddle vs. J. D. Hammer — Career Comparison

On the career pitching numbers, J. D. Hammer posted a stronger line than Rocky Biddle. J. D. Hammer posted stronger numbers in ERA (4.38 vs 5.47) and home runs allowed (1.15 per nine innings vs 1.4). By the career numbers, J. D. Hammer 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.