John Gaddy vs. Lefty Williams — Career Comparison

Looking at the career totals, John Gaddy and Lefty Williams are fairly close on the surface numbers. John Gaddy had the edge in ERA (0.69 vs 4.41). By the career numbers, John Gaddy 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.