Roy Halladay vs. Roy Witherup — Career Comparison

Looking at the career totals, Roy Halladay and Roy Witherup are fairly close on the surface numbers. Roy Halladay posted stronger numbers in ERA (3.38 vs 4.44) and WHIP (1.188 vs 1.454). Roy Witherup had the advantage in home runs allowed (0.17 per nine innings vs 0.77). By the career numbers, Roy Halladay 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.