Mike Proly vs. Chris Withrow — Career Comparison

Looking at the career totals, Mike Proly and Chris Withrow are fairly close on the surface numbers. Chris Withrow posted stronger numbers in ERA (3.07 vs 3.23) and WHIP (1.153 vs 1.404). Mike Proly had the advantage in home runs allowed (0.54 per nine innings vs 1.06). By the career numbers, Chris Withrow 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.