Jarrod Parker vs. Roy Witherup — Career Comparison

Looking at the career totals, Jarrod Parker and Roy Witherup are fairly close on the surface numbers. Jarrod Parker posted stronger numbers in ERA (3.68 vs 4.44) and WHIP (1.250 vs 1.454). Roy Witherup had the advantage in home runs allowed (0.17 per nine innings vs 0.84). By the career numbers, Jarrod Parker 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.