J. P. Howell vs. Marcus Moore — Career Comparison

On the career pitching numbers, J. P. Howell posted a stronger line than Marcus Moore. J. P. Howell posted stronger numbers in ERA (3.83 vs 6.25) and WHIP (1.364 vs 1.795). 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.