Lou Polli vs. George Zackert — Career Comparison

Looking at the career totals, Lou Polli and George Zackert are fairly close on the surface numbers. Lou Polli posted stronger numbers in ERA (4.68 vs 11.88) and WHIP (1.843 vs 3.120). George Zackert had the advantage in home runs allowed (0 per nine innings vs 0.64). By the career numbers, Lou Polli 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.