Jim Hayes vs. Frank Stevens — Career Comparison

Looking at the career totals, Jim Hayes and Frank Stevens are fairly close on the surface numbers. Frank Stevens posted stronger numbers in ERA (5.84 vs 8.36) and WHIP (1.587 vs 2.179). Jim Hayes had the advantage in home runs allowed (0 per nine innings vs 0.45). By the career numbers, Frank Stevens 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.