Keith Comstock vs. Aaron Looper — Career Comparison

Looking at the career totals, Keith Comstock and Aaron Looper are fairly close on the surface numbers. Keith Comstock posted stronger numbers in ERA (4.06 vs 5.14) and home runs allowed (0.82 per nine innings vs 1.29). Aaron Looper had the advantage in WHIP (1.286 vs 1.451). By the career numbers, Keith Comstock 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.