Erik Cordier vs. Tyler Robertson — Career Comparison

On the career pitching numbers, Erik Cordier posted a stronger line than Tyler Robertson. Erik Cordier posted stronger numbers in ERA (4.42 vs 5.54) and home runs allowed (0.49 per nine innings vs 1.73). By the career numbers, Erik Cordier 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.