John Jackson vs. Ciscero Warren — Career Comparison

On the career pitching numbers, Ciscero Warren posted a stronger line than John Jackson. Ciscero Warren posted stronger numbers in ERA (5 vs 6) and WHIP (1.600 vs 2.019). By the career numbers, Ciscero Warren 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.