The NFL preseason has ended. The regular season is less than a week away from kicking off and that means it's time for teams to cut their rosters down to 53 players before Saturday's deadline.

After six seasons in the Motor City, Theo Riddick's stay has run out of gas. The Detroit Lions are releasing the pass-catching back, NFL Network Insider Ian Rapoport reported Saturday morning.

The NFL preseason is over. The season is less than a week away from kicking off -- and that means it's time for teams to trim their rosters to 53 players before Saturday's roster deadline.