Francisco Cordero vs. Charlie Heard — Career Comparison

On the career pitching numbers, Francisco Cordero posted a stronger line than Charlie Heard. Francisco Cordero posted stronger numbers in ERA (3.38 vs 8.39) and WHIP (1.402 vs 2.432). By the career numbers, Francisco Cordero 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.