Mardie Cornejo vs. Tyler Robertson — Career Comparison

On the career pitching numbers, Mardie Cornejo posted a stronger line than Tyler Robertson. Mardie Cornejo posted stronger numbers in ERA (2.45 vs 5.54) and home runs allowed (0.25 per nine innings vs 1.73). 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.