Don Carlsen vs. Allen Levrault — Career Comparison

Looking at the career totals, Don Carlsen and Allen Levrault are fairly close on the surface numbers. Allen Levrault posted stronger numbers in ERA (5.59 vs 6) and WHIP (1.664 vs 1.778). Don Carlsen had the advantage in home runs allowed (0.83 per nine innings vs 1.58). By the career numbers, Allen Levrault 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.