Alex Singleton vs. Lefty Willis — Career Comparison

Looking at the career totals, Alex Singleton and Lefty Willis are fairly close on the surface numbers. Lefty Willis posted stronger numbers in ERA (3.92 vs 6.75) and WHIP (1.508 vs 2.250). Alex Singleton had the advantage in home runs allowed (0 per nine innings vs 0.56). By the career numbers, Lefty Willis 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.