2:16 PM - Arden Key (Ten) (quadriceps) has been ruled out ahead of Sunday's matchup against the Chargers, Jim Wyatt of the Titans' official site reports.

1:04 PM - Arden Key (Ten) (quadriceps) won't practice Wednesday, Jim Wyatt of the Titans' official site reports.

3:01 PM - Arden Key (Ten) (quadriceps) is inactive for Sunday's game against the Colts.

3:41 PM - Arden Key (Ten) (quadriceps) is listed as questionable ahead of Sunday's matchup against the Colts, Jim Wyatt of the Titans' official site reports.

5:11 PM - Arden Key (Ten) (quadriceps) was a limited participant in Thursday's practice.

5:23 PM - Arden Key (Ten) (quadriceps) didn't practice Wednesday.

1:58 PM - Arden Key (Ten) (quadriceps) won't play Sunday against the Patriots, Jim Wyatt of the Titans' official site reports.

7:39 PM - Arden Key (Ten) (quadricep) did not practice Wednesday.

2:22 PM - Arden Key (Ten) (thigh) has been ruled out ahead of Sunday's matchup against the Raiders, Jim Wyatt of the Titans' official site reports.

7:03 PM - Arden Key (Ten) (thigh) is questionable to return to Tennessee's matchup versus the Cardinals on Sunday, Paul Kuharsky of PaulKuharsky.com reports.

7:13 PM - Arden Key (Ten) (hand) has been participating in Titans' OTAs this week, Denny Simmons of The Tennesseean reports.

1:57 PM - Arden Key (Ten) (hand) has been ruled out for Sunday's game against the Texans, Jim Wyatt of the Titans' official site reports.

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.