Mike Norris vs. Herb Thomas — Career Comparison

Looking at the career totals, Mike Norris and Herb Thomas are fairly close on the surface numbers. Mike Norris posted stronger numbers in ERA (3.89 vs 8.08) and WHIP (1.323 vs 1.980). Herb Thomas had the advantage in home runs allowed (0.44 per nine innings vs 0.86). By the career numbers, Mike Norris 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.