J. P. Howell vs. Clayton Lambert — Career Comparison

On the career pitching numbers, J. P. Howell posted a stronger line than Clayton Lambert. J. P. Howell posted stronger numbers in ERA (3.83 vs 5.4) and WHIP (1.364 vs 1.474). By the career numbers, J. P. Howell 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.