Rene Arocha vs. Jeriome Robertson — Career Comparison

On the career pitching numbers, Rene Arocha posted a stronger line than Jeriome Robertson. Rene Arocha posted stronger numbers in ERA (4.11 vs 5.71) and WHIP (1.360 vs 1.660). By the career numbers, Rene Arocha 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.