Jim Manning vs. Lou Polli — Career Comparison

Looking at the career totals, Jim Manning and Lou Polli are fairly close on the surface numbers. Lou Polli posted stronger numbers in ERA (4.68 vs 5.14) and WHIP (1.843 vs 2.143). Jim Manning 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.