NCAA Football Preview - North Carolina Tar Heels Posted Aug 18, 2011 The hope is that sophomore quarterback Bryn Renner can fill the void (left by T.J. Yates), despite playing sparingly as a freshman last year. Adding to the uncertainty in the backfield is the fact that top three rushers from 2010 are also gone. The team does get senior tailback Ryan Houston (6-2. 245) back though. A bruising back, Houston sat out last season due to suspension. (Los Angeles Times)