Thornton Lee vs. John Sullivan — Career Comparison

Looking at the career totals, Thornton Lee and John Sullivan are fairly close on the surface numbers. Thornton Lee posted stronger numbers in ERA (3.56 vs 4.2) and WHIP (1.358 vs 2.133). John Sullivan had the advantage in home runs allowed (0 per nine innings vs 0.47). 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.