Doyle Alexander vs. Jeriome Robertson — Career Comparison

On the career pitching numbers, Doyle Alexander posted a stronger line than Jeriome Robertson. Doyle Alexander posted stronger numbers in ERA (3.76 vs 5.71) and WHIP (1.311 vs 1.660). By the career numbers, Doyle Alexander 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.