Charlie Kerfeld vs. Will Thompson — Career Comparison

Looking at the career totals, Charlie Kerfeld and Will Thompson are fairly close on the surface numbers. Will Thompson posted stronger numbers in ERA (3 vs 4.2) and home runs allowed (0 per nine innings vs 0.54). Charlie Kerfeld had the advantage in WHIP (1.572 vs 2.667). By the career numbers, Will 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.