Jim Nelson vs. Derek Thompson — Career Comparison

Looking at the career totals, Jim Nelson and Derek Thompson are fairly close on the surface numbers. Derek Thompson posted stronger numbers in WHIP (1.500 vs 1.592) and home runs allowed (0 per nine innings vs 0.44). Jim Nelson had the advantage in ERA (3.06 vs 3.5). By the career numbers, Derek Thompson 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.