Thornton Lee vs. John Singleton — Career Comparison

On the career pitching numbers, Thornton Lee posted a stronger line than John Singleton. Thornton Lee posted stronger numbers in ERA (3.56 vs 5.9) and WHIP (1.358 vs 1.774). By the career numbers, Thornton Lee 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.