Brett Marshall vs. Lou Polli — Career Comparison

Looking at the career totals, Brett Marshall and Lou Polli are fairly close on the surface numbers. Brett Marshall posted stronger numbers in ERA (4.5 vs 4.68) and WHIP (1.667 vs 1.843). Lou Polli had the advantage in home runs allowed (0.64 per nine innings vs 2.25). By the career numbers, Brett Marshall 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.