Wally Hebert vs. Jeriome Robertson — Career Comparison

On the career pitching numbers, Wally Hebert posted a stronger line than Jeriome Robertson. Wally Hebert posted stronger numbers in ERA (4.63 vs 5.71) and WHIP (1.555 vs 1.660). By the career numbers, Wally Hebert 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.