5:39 PM - Arden Key (Ten) (back) was listed as a full participant on Thursday's injury report, John Glennon of NashvillePost.com reports.

5:15 PM - Arden Key (Ten) didn't practice Wednesday due to a back injury, Turron Davenport of ESPN.com reports.

6:14 PM - Arden Key (Ten) (back) was a full participant during Thursday's practice, Jim Wyatt of the Titans' official site reports.

5:58 PM - Arden Key (Ten) (back) did not practice Wednesday, Jim Wyatt of the Titans' official site reports.

4:09 PM - Arden Key (Ten) recorded six total tackles (three solo), including 2.0 sacks, in Sunday's 52-14 loss to the Lions.

12:18 PM - Arden Key (Ten) recorded two tackles (two solo) including 1.0 sacks during Sunday's 34-10 loss at Buffalo.

5:07 PM - Arden Key (Ten) (hamstring) was left off Tennessee's injury report Wednesday ahead of Sunday's Week 1 game against the Bears, Jim Wyatt of the Titans' official site reports.

1:00 PM - Arden Key (Ten) is dealing with a minor hamstring issue, Jim Wyatt of the Titans' official site reports.

6:54 PM - Arden Key (Ten) is facing a six-game suspension for violating the league's rules against performance-enhancing drugs, Paul Kuharsky of PaulKuharsky.com reports.

2:01 PM - Arden Key (Ten) recorded four tackles (three solo), including one sack, and forced a fumble in Sunday's loss to Seattle.

2:44 PM - Arden Key (Ten) recorded two total tackles (both solo), including one tackle for loss and one sack in Monday night's 28-27 win over the Titans.