Bob Lemon vs. Art Mahaffey — Career Comparison

On the career pitching numbers, Bob Lemon posted a stronger line than Art Mahaffey. Bob Lemon posted stronger numbers in ERA (3.23 vs 4.17) and home runs allowed (0.57 per nine innings vs 1.13). By the career numbers, Bob Lemon 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.