Josef Koukalik vs. Tommy Thompson — Career Comparison

Looking at the career totals, Josef Koukalik and Tommy Thompson are fairly close on the surface numbers. Josef Koukalik had the edge in ERA (1.13 vs 6.06). By the career numbers, Josef Koukalik 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.