The Cincinnati Bengals have placed tight end Jermaine Gresham on the physically unable to perform list and defensive end Christo Bilukidi on the non-football injury list ahead of the start of training camp on Thursday.
According to Coley Harvey of ESPN.com, the Bengals said Gresham is dealing with a back injury and Bilukidi is suffering from a tooth problem.
Gresham missed the majority of the Bengals offseason workouts due to hernia surgery, which appears unrelated to his current issues.
Cincinnati now has 15 players listed on the physically unable to perform list or non-football injury list to begin training camp.
Joining Gresham on PUP is defensive tackle Geno Atkins (knee), guard Clint Boling (knee), linebacker Marquis Flowers, cornerback Leon Hall (Achilles), punter Kevin Huber (neck), receiver Colin Lockett (hamstring), defensive tackle Zach Minter (back), defensive tackle Devon Still (back), receiver Ryan Whalen (hamstring) and offensive lineman Mike Pollak (knee).
Joining Bilukidi on the non-football injury list is receiver Marvin Jones (ankle), quarterback A.J. McCarron (shoulder) and cornerback Onterio McCalebb (knee).