FILE - In this Sept. 1, 2018, file photo, Georgia's Brenton Cox (1), David Marshall (51) and Michael Barnett (94) tackle Austin Peay running back Ahmaad Tanner (21) during an NCAA college football game in Athens, Ga. Georgia's stifling defense will face its toughest challenge so far in trying to stop quarterback Drew Lock and the Missouri Tigers on Saturday. (Jenn Finch/Athens Banner-Herald via AP, File)

FILE - In this Saturday, Sept. 8, 2018, file photo, Missouri quarterback Drew Lock warms up before an NCAA college football game against Wyoming in Columbia, Mo. Georgia's stifling defense will face its toughest challenge so far in trying to stop quarterback Drew Lock and the Missouri Tigers on Saturday. (AP Photo/L.G. Patterson, File)