Mardie Cornejo vs. Leon Williams — Career Comparison

Looking at the career totals, Mardie Cornejo and Leon Williams are fairly close on the surface numbers. Mardie Cornejo posted stronger numbers in ERA (2.45 vs 5.4) and WHIP (1.527 vs 2.160). Leon Williams had the advantage in home runs allowed (0 per nine innings vs 0.25). By the career numbers, Mardie Cornejo 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.