Burton played four of the Bengals' 51 snaps on offense and went without a target in Sunday's 16-10 loss to the Patriots.
Though Burton has made some highlight-reel plays in the preseason demonstrating his talent, he has also at times displayed why he slipped in the draft, raising questions about his professionalism, Paul Dehner Jr. of The Athletic reports.
Burton caught his lone target for a 19-yard gain in Saturday's 27-3 preseason loss to Chicago.
Burton (ankle) is back at practice Sunday, Charlie Goldsmith of The Cincinnati Enquirer reports.
Burton exited Thursday's practice early after having his foot examined, Jason Hoffman of the Cincinnati Enquirer reports.