Auburn defensive back Tray Matthews (28) walks off the field after an injury against Louisville during the second half of an NCAA college football game, Saturday, Sept. 5, 2015, in Atlanta. (AP Photo/John Bazemore)
Auburn defensive back Tray Matthews (28) walks off the field after an injury against Louisville during the second half of an NCAA college football game, Saturday, Sept. 5, 2015, in Atlanta. (AP Photo/John Bazemore) (AP Photo/John Bazemore)
Auburn defensive back Tray Matthews (28) walks off the field after an injury against Louisville during the second half of an NCAA college football game, Saturday, Sept. 5, 2015, in Atlanta. (AP Photo/John Bazemore) (AP Photo/John Bazemore)