Carlos Frias vs. Oscar Horstmann — Career Comparison

On the career pitching numbers, Oscar Horstmann posted a stronger line than Carlos Frias. Oscar Horstmann posted stronger numbers in ERA (3.67 vs 4.5) and WHIP (1.325 vs 1.395). By the career numbers, Oscar Horstmann 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.