Burfict (concussion) did not practice Thursday, ESPN's Coley Harvey reports.

Per Geoff Hobson of bengals.com, Burfict was spotted engaging in "robust activity" on the side during Thursday's practice, which hints that the linebacker is making progress toward a potential return, as Sunday night's game against the Patriots approaches.

Burfict (concussion) did not practice Wednesday, Cincinnati.com reports.

Burfict missed the Bengals' most recent game after suffering his second concussion of the season in Week 2 against the Falcons. While he didn't practice Wednesday, Burfict reportedly did take part in Cincinnati's stretching prior to practice, which indicates he has been cleared for light exercise. Nonetheless, it's unclear if Burfict has been given the green light for more rigorous activities, putting his status for Sunday's game versus the Patriots in question.

Burfict (concussion) didn't practice Monday but expects to play Sunday night.

Before you invest in Burfict on the waiver wires in IDP leagues, make sure he gets back on the practice field first.

Burfict (concussion) was on the field but not suited up for Tuesday's pre-bye week practice.

While this is an encouraging sign, Burfict remains in the final stages of the league's concussion protocol and hasn't yet been cleared for practice and game activity. We'll revisit his status next week.

Burfict (concussion) is inactive for Sunday's game against the Titans, ESPN.com's Coley Harvey reports.

Burfict failed to take part in practice this week as he remains under the league's concussion protocol. While having one of their top tacklers out of the lineup surely hurts, the Bengals shouldn't be challenged too much by the Titans' meager ground game. With Sean Porter, Burfict's top backup, out with a hamstring injury, rookie Marquis Flowers could make his first NFL start at outside linebacker.

Burfict (concussion) is listed as doubtful for Sunday's game against the Titans, the Cincinnati Enquirer reports.

Burfict didn't practice all week and with the Bengals on bye in Week 4, expect the linebacker to be held out this weekend with an eye toward a possible return to action in Week 5.

Burfict (concussion) did not take part in Friday's practice, Paul Dehner Jr. of The Cincinnati Enquirer reports.

Burfict has not practiced at all this week, so his chances of playing Sunday appear slim. His status should be updated following Friday's practice.

Burfict (concussion) did not practice Thursday, the Bengals' official site reports.

We'll check back on Burfict's status Friday, but his chances of playing Sunday against the Titans don't look good at this stage.

Burfict is in the NFL's concussion protocol for the second straight week, according to the Cincinnati Enquirer.

Given that, Burfict -- who did not practice Wednesday -- looks pretty iffy for Sunday's game against the Titans, at this stage. More on Burfict's status Thursday.

Burfict suffered a "stinger" during Sunday's game against the Falcons and will not return, The Cincinnati Enquirer reports.

Burfict suffered a concussion in Week 1 and has now endured a similar injury this Sunday, forcing the Bengals to shut down their star linebacker. As a result, Burfict finishes Sunday's game with four tackles (two solo).

Burfict left Sunday's game against the Falcons after appearing to aggravate his concussion symptoms in the third quarter.

This might have actually been the second time in the game where he was shaken up - he left for a couple of plays in the first quarter after appearing woozy.

Burfict (concussion) is active for Sunday's game against the Falcons, ESPN.com's Coley Harvey reports.

As expected, Burfict will assume his usual duties on the weak side, and looks to be a safe IDP play for Week 2. Marquis Flowers will serve as Burfict's primary backup and will step in when necessary to give the linebacker a breather.

Burfict (concussion) has been cleared to play Sunday's game against the Falcons, ESPN's Adam Caplan reports.

There was some serious doubt regarding Burfict's availability after he was limited in practice Thursday, but it appears he's passed all of the NFL's parameters in its concussion protocol. Now that he's ostensibly healthy, look for Burfict to avenge last week's middling four-tackle effort against the Ravens.

Burfict (concussion) is listed as questionable for Sunday's game against the Falcons, the Bengals' official site reports.

Burfict was listed as a limited practice participant Friday, though at this stage it is unclear if the linebacker will gain clearance for Sunday's 1:00 ET kickoff.

Burfict has passed the step in the concussion protocol that restricts interviews, Paul Dehner Jr. of the Cincinnati Enquirer reports.

This news alone does not clear Burfict to play this week, but it is a move in the right direction. The Bengals figure to update Burfict's status when they release Friday's injury report.

Burfict (concussion) was not spotted at practice Thursday, the Bengals' official site reports.

We'll revisit Burfict's status Friday, but the report suggests concern that the linebacker is a candidate to miss the first game of his three-year NFL career, come Sunday.

Burfict (concussion) sat out Wednesday's practice, the Bengals' official site reports.

The report suggests that Burfict appears to be progressing in his concussion protocol, but until he receives medical clearance, his status for Sunday's game against the Falcons will be in some question.

Burfict suffered a concussion during Sunday's regular season opener and will not return.

Burfict recorded four tackles (all solo) prior to being knocked out of Sunday's game. Last season's league leader in tackles, Burfict will now have to pass the NFL's concussion protocol before being cleared to play next.

Burfict (hamstring) is active for Sunday's game against the Ravens.

Burfict was never in any real danger of sitting out Week 1, after turning in a pair of full practices earlier this week. The linebacker turned in a league-leading 171 tackles in 2013, and there's little evidence to suggest he won't remain an upper-level IDP option at his position again this season.

Burfict (hamstring) is probable for Sunday's game against Baltimore.

Burfict's hamstring ailment is a non-issue at this point, as he practiced each day this week, logging full practices Wednesday and Friday. He's locked in as a top-tier LB1 and should once again contend for the league tackle lead.