Casey Fossum vs. Armando López — Career Comparison

Looking at the career totals, Casey Fossum and Armando López are fairly close on the surface numbers. Casey Fossum posted stronger numbers in ERA (5.45 vs 6.62) and WHIP (1.534 vs 1.918). Armando López had the advantage in home runs allowed (0.65 per nine innings vs 1.31). By the career numbers, Casey Fossum 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.