Big Train Jackson vs. Aaron Laffey — Career Comparison

Looking at the career totals, Big Train Jackson and Aaron Laffey are fairly close on the surface numbers. Aaron Laffey posted stronger numbers in ERA (4.44 vs 6.3) and WHIP (1.535 vs 1.914). Big Train Jackson had the advantage in home runs allowed (0.26 per nine innings vs 0.87). 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.