Aaron Laffey vs. Otto Rettig — Career Comparison

Looking at the career totals, Aaron Laffey and Otto Rettig are fairly close on the surface numbers. Aaron Laffey posted stronger numbers in ERA (4.44 vs 4.91) and WHIP (1.535 vs 1.636). Otto Rettig had the advantage in home runs allowed (0 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.