2:53 PM - Tracy Walker (Det) registered six tackles (three solo) including a sack in Monday's 26-14 win over the Raiders.

4:15 PM - Tracy Walker (Det) had seven tackles (five solo) in Sunday's 38-6 loss to the Ravens.

12:16 PM - Tracy Walker (Det) will start Sunday against the Falcons, Kyle Meinke of MLive.com reports.

6:27 PM - Tracy Walker (Det) appears to have lost his starting job after Brian Branch's recent promotion to the first-team defense, Kyle Meinke of MLive.com reports.

3:42 PM - Tracy Walker (Det) (Achilles) worked with Detroit's first-team defense Saturday, Benjamin Raven of MLive reports.

4:02 PM - Tracy Walker (Det) (Achilles) was a partial participant during OTAs and expects full clearance for training camp, Tim Twentyman of the Lions' official site reports.

5:19 PM - Tracy Walker (Det) recently posted videos on social media of himself aggressively going through an agility drill, Woodward Sports Network reports.

6:40 PM - Tracy Walker (Det) (Achilles) recently suggested via his personal Twitter account that he will be ready for the Lions' offseason training program this spring.

4:49 PM - Tracy Walker (Det) Lions placed Walker (Achilles) on injured reserve Tuesday.

10:17 AM - Tracy Walker (Det) is believed to have suffered a torn Achilles in Sunday's loss to the Vikings, Ian Rapoport of NFL Network reports.

8:02 PM - Tracy Walker (Det) sustained a potential injury during the Lions' 28-24 loss to the Vikings on Sunday, Tim Twentyman of the Lions' official site reports.

1:58 PM - Tracy Walker (Det) (ankle) is questionable to return to Sunday's game against the Vikings with an apparent ankle injury.

9:17 PM - Tracy Walker (Det) recorded 13 tackles with one sack during Sunday's 38-35 loss to the Eagles.

9:17 PM - Tracy Walker (Det) recorded 13 tackles with one sack during Sunday's 38-35 loss to the Eagles.

2:13 PM - Tracy Walker (Det) agreed to a three-year, $25 million contact with the Lons on Monday, Adam Schefter of ESPN reports.

5:53 PM - Tracy Walker (Det) (illness) wasn't listed on the injury report for Wednesday's practice session.

7:21 PM - Tracy Walker (Det) was activated from the reserve/COVID-19 list Saturday.

9:43 PM - Tracy Walker (Det) was placed on the reserve/COVID-19 list Friday.

2:04 PM - Tracy Walker (Det) had 11 tackles (eight solo) during Sunday's 29-27 win over the Vikings.

10:08 PM - Tracy Walker (Det) recorded eight tackles and one pass defended in Sunday's 28-19 loss to the Rams.

12:42 PM - Tracy Walker (Det) totaled nine tackles (seven solo) and one pass deflection during Sunday's loss to the Vikings.

6:19 PM - Tracy Walker (Det) totaled 87 tackles, one sack and four pass breakups over 15 games in 2020.

11:44 AM - Tracy Walker (Det) (personal) is officially active for Sunday's game against the Bears.

6:25 PM - Tracy Walker (Det) (foot) was listed as a limited participant during Wednesday's practice.

6:39 PM - Tracy Walker (Det) recorded six tackles and two pass breakups in Week 17 against Green Bay.

5:14 PM - Tracy Walker (Det) (knee) didn't participate in Wednesday's practice.

12:18 PM - Tracy Walker (Det) recorded 10 tackles (seven solo) during Sunday's 13-10 win over the Chargers.

2:07 PM - Tracy Walker (Det) recorded nine solo tackles, two pass breakups and an interception in Sunday's 27-27 tie with the Cardinals.

2:09 PM - Tracy Walker (Det) (ankle) was a limited participant in Wednesday's pratice, Michael Rothstein of ESPN.com reports.

7:30 AM - Tracy Walker (Det) worked on the side during Saturday's practice session, Michael Rothstein of ESPN.com reports.

6:21 PM - Tracy Walker (Det) Lions selected Walker in the third round of the 2018 NFL Draft, 82nd overall.