Casey Fossum vs. Manny Hernandez — Career Comparison

On the career pitching numbers, Manny Hernandez posted a stronger line than Casey Fossum. Manny Hernandez posted stronger numbers in ERA (4.47 vs 5.45) and home runs allowed (0.54 per nine innings vs 1.31). By the career numbers, Manny Hernandez 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.