ALLEN PARK -- The Detroit Lions have released cornerback Stantley Thomas-Oliver with a reported injury waiver. Thomas-Oliver had a tough start to camp, opening on the NFI list and then suffering a hamstring injury the next day in Allen Park. The 27-year-old spent last year with the Lions appearing in one game with five special teams snaps.

Training camps have kicked off around the NFL, and our team reporters are on the ground each day following all the action. The Detroit Lions' camp is taking place in Allen Park, Michigan and Lions reporter Eric Woodyard has the latest intel on standouts,

The first week of Detroit Lions training camp flew by. Since kicking off camp last Sunday, the Lions have held six practice sessions at the Meijer Performance Center in Allen Park. With this Sunday being an off day, let's look back at some of the top takeaways from the first week of training camp.

Gruden visited Detroit Lions training camp Monday in Allen Park, where his good friend and protege John Morton is the team's new offensive coordinator. Gruden reiterated his desire to return to the sidelines as a coach.