Off-season attrition could impact UNC season Posted Jul 31, 2014 Off-season attrition is as much a part of college football as the forward pass. But a rash of summer departures could have an adverse impact on some high 2014 expectations for North Carolina. First, came the news in early July that Darius Lipford was opting out of his senior year to enter the NFL's supplemental draft. (Fayetteville Observer)