Chad Billingsley vs. Daulton Jefferies — Career Comparison

On the career pitching numbers, Chad Billingsley posted a stronger line than Daulton Jefferies. Chad Billingsley posted stronger numbers in ERA (3.72 vs 6.59) and WHIP (1.396 vs 1.465). By the career numbers, Chad Billingsley 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.