Carlos Frias vs. Harold Hairston — Career Comparison

Looking at the career totals, Carlos Frias and Harold Hairston are fairly close on the surface numbers. Carlos Frias had the edge in ERA (4.5 vs 6.42). By the career numbers, Carlos Frias 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.