Carlos Frias vs. Jack Leiter — Career Comparison

On the career pitching numbers, Carlos Frias posted a stronger line than Jack Leiter. Carlos Frias posted stronger numbers in ERA (4.5 vs 4.8) and home runs allowed (0.87 per nine innings vs 1.2). 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.