Lefty Sullivan vs. Ron Willis — Career Comparison

Looking at the career totals, Lefty Sullivan and Ron Willis are fairly close on the surface numbers. Lefty Sullivan posted stronger numbers in WHIP (1.421 vs 1.544) and home runs allowed (0 per nine innings vs 0.57). Ron Willis had the advantage in ERA (3.32 vs 4.26). By the career numbers, Lefty Sullivan 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.