Ray Prim vs. Roy Witherup — Career Comparison

Looking at the career totals, Ray Prim and Roy Witherup are fairly close on the surface numbers. Ray Prim posted stronger numbers in ERA (3.56 vs 4.44) and WHIP (1.285 vs 1.454). Roy Witherup had the advantage in home runs allowed (0.17 per nine innings vs 0.54). By the career numbers, Ray Prim 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.