Stan Williams vs. Roy Witherup — Career Comparison

Looking at the career totals, Stan Williams and Roy Witherup are fairly close on the surface numbers. Stan Williams posted stronger numbers in ERA (3.48 vs 4.44) and WHIP (1.325 vs 1.454). Roy Witherup had the advantage in home runs allowed (0.17 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.