Steve Cishek vs. Tyler Robertson — Career Comparison

On the career pitching numbers, Steve Cishek posted a stronger line than Tyler Robertson. Steve Cishek posted stronger numbers in ERA (2.98 vs 5.54) and WHIP (1.254 vs 1.500). By the career numbers, Steve Cishek 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.