Emmanuel Clase vs. Lou Polli — Career Comparison

On the career pitching numbers, Emmanuel Clase posted a stronger line than Lou Polli. Emmanuel Clase posted stronger numbers in ERA (1.88 vs 4.68) and WHIP (0.964 vs 1.843). By the career numbers, Emmanuel Clase 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.