Guy Cooper vs. Lou Polli — Career Comparison

Looking at the career totals, Guy Cooper and Lou Polli are fairly close on the surface numbers. Guy Cooper posted stronger numbers in WHIP (1.444 vs 1.843) and home runs allowed (0.33 per nine innings vs 0.64). Lou Polli had the advantage in ERA (4.68 vs 5.33). By the career numbers, Guy Cooper 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.