Ryan Miller vs. Lou Polli — Career Comparison

Looking at the career totals, Ryan Miller and Lou Polli are fairly close on the surface numbers. Ryan Miller posted stronger numbers in ERA (4.15 vs 4.68) and WHIP (1.769 vs 1.843). Lou Polli had the advantage in home runs allowed (0.64 per nine innings vs 1.38). By the career numbers, Ryan Miller 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.