Ravelo Manzanillo vs. Lou Polli — Career Comparison

Looking at the career totals, Ravelo Manzanillo and Lou Polli are fairly close on the surface numbers. Ravelo Manzanillo had the edge in ERA (4.43 vs 4.68). By the career numbers, Ravelo Manzanillo 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.