Len Swormstedt vs. Tommy Thompson — Career Comparison

Looking at the career totals, Len Swormstedt and Tommy Thompson are fairly close on the surface numbers. Len Swormstedt posted stronger numbers in ERA (2.22 vs 6.06) and WHIP (1.046 vs 1.714). Tommy Thompson had the advantage in home runs allowed (0 per nine innings vs 0.42). By the career numbers, Len Swormstedt 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.