The Detroit Lions made several roster moves on Wednesday as they continue to adjust to injuries in the secondary and add depth across the board.

The team announced that cornerback D.J. Reed has been placed on Reserve/Injured, a tough blow after the veteran was playing some of his best football before going down. Reed will now be sidelined for at least four weeks.

To fill spots on the active roster, Detroit promoted safety Loren Strickland and linebacker Ty Summers from the practice squad. Summers, a familiar face who impressed in preseason last year, rejoined the Lions earlier this week and now gets a chance to contribute on Sundays.

Meanwhile, the Lions added reinforcements at cornerback, signing Tre Flowers and Nick Whiteside to the practice squad. Flowers is a veteran with nearly 100 NFL games under his belt, while Whiteside brings developmental upside as Detroit looks to stabilize its depth chart.

With injuries piling up in the secondary, head coach Dan Campbell and GM Brad Holmes are making moves to ensure the Lions don’t lose momentum as they head into a critical stretch of the season.