Aaron Ashby vs. Roy Witherup — Career Comparison

Looking at the career totals, Aaron Ashby and Roy Witherup are fairly close on the surface numbers. Aaron Ashby posted stronger numbers in ERA (3.62 vs 4.44) and WHIP (1.274 vs 1.454). Roy Witherup had the advantage in home runs allowed (0.17 per nine innings vs 0.92). By the career numbers, Aaron Ashby 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.