Jack Dreyer vs. Don McMahon — Career Comparison

On the career pitching numbers, Jack Dreyer posted a stronger line than Don McMahon. Jack Dreyer posted stronger numbers in WHIP (1.114 vs 1.310) and home runs allowed (0.47 per nine innings vs 0.72). By the career numbers, Jack Dreyer 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.