Detroit Lions players reported for training camp duty on Thursday, and that means passing physicals to get cleared to participate. For six Lions, they will need to wait longer after being placed on the Physically Unable to Perform,

The Detroit Lions announced the placement of several players on injury lists to start training camp, including defensive lineman Levi Onwuzurike, who will now miss the first four games of the season.

Anzalone, Barnes and Campbell are back for another run. Rodriguez is on the shelf, but the Lions have some intriguing depth battles to watch for the next month-plus.