Ray Martin vs. Hansel Robles — Career Comparison

On the career pitching numbers, Ray Martin posted a stronger line than Hansel Robles. Ray Martin posted stronger numbers in ERA (2.45 vs 4.11) and WHIP (1.091 vs 1.320). By the career numbers, Ray Martin 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.