Mark Leiter vs. Eugene Smith — Career Comparison

On the career pitching numbers, Eugene Smith posted a stronger line than Mark Leiter. Eugene Smith posted stronger numbers in ERA (4.15 vs 4.57) and home runs allowed (0.35 per nine innings vs 1.18). By the career numbers, Eugene Smith 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.