Marvin Sanders has Heels' defense on track Posted Nov 25, 2005 The young-at-heart Marvin Sanders has incorporated one of college football's latest trends -- zone pressure -- and made it work for the Tar Heels. Their once-maligned defense has risen from 116th in the nation in 2003 to 41st entering UNC's season finale Saturday night at fifth-ranked Virginia Tech. (Greensboro News & Record)