Charles Jackson vs. Aaron Laffey — Career Comparison

Looking at the career totals, Charles Jackson and Aaron Laffey are fairly close on the surface numbers. Aaron Laffey posted stronger numbers in ERA (4.44 vs 5.71) and home runs allowed (0.87 per nine innings vs 1.56). Charles Jackson had the advantage in WHIP (1.442 vs 1.535). By the career numbers, Aaron Laffey 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.