Darin Downs vs. J. P. Howell — Career Comparison

Looking at the career totals, Darin Downs and J. P. Howell are fairly close on the surface numbers. J. P. Howell had the edge in ERA (3.83 vs 4.76). 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.