Shaun Marcum vs. Roy Witherup — Career Comparison

Looking at the career totals, Shaun Marcum and Roy Witherup are fairly close on the surface numbers. Shaun Marcum posted stronger numbers in ERA (3.93 vs 4.44) and WHIP (1.252 vs 1.454). Roy Witherup had the advantage in home runs allowed (0.17 per nine innings vs 1.22). By the career numbers, Shaun Marcum 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.