Detroit Lions head coach Dan Campbell mentioned undrafted free-agent edge rusher Keith Cooper recently and that now makes the rookie someone to watch in training camp.

Lions rookie OL Miles Frazier will not be ready for action until "September, October" with a knee injury, per Detroit head coach Dan Campbell

Two Detroit Lions backups, defensive tackle Roy Lopez and running back Sione Vaki, are expected to be out for a few days, coach Dan Campbell said.

Veterans made their way to Detroit Lions training camp in Allen Park, Michigan, over the weekend with media flocking to ring in the dawn of the new season for the Motor City's NFL franchise. The Lions have big goals ahead of them with a daunting schedule on the horizon and the return of several key players from injury.

The Detroit Lions are ready to go this year. Maybe a little too ready in the early going, though. On Tuesday, the Lions were being a little too physical, and head coach Dan Campbell had to stop practice multiple times to reel everyone back in.

The Detroit Lions linebacker Alex Anzalone is the latest player who is not happy with his contract, and he made it known on the first day of the training camp.

Detroit Lions head coach Dan Campbell is known for demanding physicality and intensity from his players, but on Tuesday, even he had to draw the line. In a stunning turn of events

ALLEN PARK -- Second-year Detroit Lions running back Sione Vaki exited Monday’s practice early with what team officials are calling a leg injury.