Jack Dreyer vs. John Littlefield — Career Comparison

On the career pitching numbers, Jack Dreyer posted a stronger line than John Littlefield. Jack Dreyer posted stronger numbers in ERA (2.95 vs 3.39) and WHIP (1.114 vs 1.431). 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.