Christian Bergman vs. Lefty Thomas — Career Comparison

Looking at the career totals, Christian Bergman and Lefty Thomas are fairly close on the surface numbers. Lefty Thomas posted stronger numbers in ERA (3.32 vs 5.59) and home runs allowed (0 per nine innings vs 1.67). Christian Bergman had the advantage in WHIP (1.493 vs 1.800). By the career numbers, Lefty Thomas 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.