Walt Herrell vs. Willie Mills — Career Comparison

Looking at the career totals, Walt Herrell and Willie Mills are fairly close on the surface numbers. Willie Mills posted stronger numbers in ERA (8.44 vs 18) and WHIP (1.563 vs 3.500). Walt Herrell had the advantage in home runs allowed (0 per nine innings vs 1.13). By the career numbers, Willie Mills 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.