Clifford Allen vs. Willie Jefferson — Career Comparison

Looking at the career totals, Clifford Allen and Willie Jefferson are fairly close on the surface numbers. Willie Jefferson posted stronger numbers in ERA (3.94 vs 9.47) and WHIP (1.314 vs 2.474). Clifford Allen had the advantage in home runs allowed (0 per nine innings vs 0.41). By the career numbers, Willie Jefferson 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.