Allan Simpson vs. Aaron Wilkerson — Career Comparison

Looking at the career totals, Allan Simpson and Aaron Wilkerson are fairly close on the surface numbers. Allan Simpson posted stronger numbers in ERA (6.06 vs 6.88) and home runs allowed (0.92 per nine innings vs 2.29). Aaron Wilkerson had the advantage in WHIP (1.613 vs 1.694). By the career numbers, Allan Simpson 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.