Tanner Roark vs. Roy Witherup — Career Comparison

Looking at the career totals, Tanner Roark and Roy Witherup are fairly close on the surface numbers. Tanner Roark posted stronger numbers in ERA (3.85 vs 4.44) and WHIP (1.273 vs 1.454). Roy Witherup had the advantage in home runs allowed (0.17 per nine innings vs 1.11). By the career numbers, Tanner Roark 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.