Kentucky quarterback Brock Vandagriff is questionable to return in the second half vs. Tennessee with a head injury, according to the SEC Network broadcast. Vandagriff suffered the injury on a strip sack in the third quarter that set up Tennessee’s go-ahead score. Vandagriff was taken to the sideline injury tent where he was getting evaluated further, according to sideline reporter Tori Petry. After a few minutes of attention in the tent, Vandagriff was seen walking, unsteadily, to the locker room with a towel over his head and the assistance of trainers. JLAB has the best audio products in th…