FILE - In this Nov. 23, 2013, file photo, Georgia defensive coordinator Todd Grantham watches from the sideline during the first half of an NCAA college football game against Kentucky in Athens., Ga. Louisville coach Bobby Petrino has hired Grantham as defensive coordinator and safeties coach. Grantham joins the Cardinals after four years as Georgia's defensive coordinator. Before that, he spent 11 years in the NFL as an assistant, most recently as the Dallas Cowboys' defensive line coach from 2008-09. (AP Photo/John Bazemore, File)