Allan Anderson vs. Jeriome Robertson — Career Comparison

On the career pitching numbers, Allan Anderson posted a stronger line than Jeriome Robertson. Allan Anderson posted stronger numbers in ERA (4.11 vs 5.71) and WHIP (1.373 vs 1.660). By the career numbers, Allan Anderson 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.