Elmer Leonard vs. Alex Singleton — Career Comparison

On the career pitching numbers, Elmer Leonard posted a stronger line than Alex Singleton. Elmer Leonard posted stronger numbers in ERA (2.84 vs 6.75) and WHIP (1.895 vs 2.250). By the career numbers, Elmer Leonard 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.