Kentucky CB DJ Waller Jr. was unable to go in the team’s first scrimmage of fall camp on Saturday due to an injury. Mark Stoops discussed Waller’s absence after the Wildcats’ game this weekend. He said the transfer corner suffered it following practice on Friday to the extent of not being able to play the following day but with expecting to be back on the field to start this week. “Waller wasn’t able to play today. He has a slight injury,” said Stoops. “Should be back early this week. Got hurt yesterday late I think yesterday after practice doing some extra work but nothing major.” This was a …