Dan Haren vs. Roy Witherup — Career Comparison

Looking at the career totals, Dan Haren and Roy Witherup are fairly close on the surface numbers. Dan Haren posted stronger numbers in ERA (3.75 vs 4.44) and WHIP (1.197 vs 1.454). Roy Witherup had the advantage in home runs allowed (0.17 per nine innings vs 1.13). By the career numbers, Dan Haren 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.