Jake Peavy vs. Lefty Thomas — Career Comparison

Looking at the career totals, Jake Peavy and Lefty Thomas are fairly close on the surface numbers. Lefty Thomas posted stronger numbers in ERA (3.32 vs 3.63) and home runs allowed (0 per nine innings vs 0.98). Jake Peavy had the advantage in WHIP (1.213 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.