Joe Kohlman vs. Ian Thomas — Career Comparison

Looking at the career totals, Joe Kohlman and Ian Thomas are fairly close on the surface numbers. Ian Thomas posted stronger numbers in ERA (3.97 vs 5.27) and WHIP (1.412 vs 1.500). Joe Kohlman had the advantage in home runs allowed (0.33 per nine innings vs 0.53). By the career numbers, Ian 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.