Sidney Williams vs. Stan Williams — Career Comparison

Looking at the career totals, Sidney Williams and Stan Williams are fairly close on the surface numbers. Stan Williams posted stronger numbers in ERA (3.48 vs 4.28) and WHIP (1.325 vs 1.610). Sidney Williams had the advantage in home runs allowed (0.33 per nine innings vs 0.82). By the career numbers, Stan Williams 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.