Don Carlsen vs. Rich Hill — Career Comparison

Looking at the career totals, Don Carlsen and Rich Hill are fairly close on the surface numbers. Rich Hill posted stronger numbers in ERA (4.02 vs 6) and WHIP (1.278 vs 1.778). Don Carlsen had the advantage in home runs allowed (0.83 per nine innings vs 1.12). By the career numbers, Rich Hill 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.