The Texans have their top four defensive linemen back from last season http://www.thetexanslockerroom.com/authentic-shane-lechler-jersey , but they lost a little depth when Christian Covington signed with the Cowboys as a free agent.Defensive line coach Anthony Weaver knows who is looking to as a replacement for Covington. 2017 fourth-round pick Carlos Watkins only played 43 defensive snaps in Houston last year, but Weaver said he’s setting a high bar for him in his third NFL season.“My expectations for Carlos are sky-high,” Weaver said, via the . “I know to this point Jordan Akins Jersey , he probably hasn’t exceeded the expectations but a lot of that has been purely because of opportunity. Obviously, we lost a very good player in Christian Covington, so there’s a void there, and one that I expect Carlos to step in and try to fill. He’s coming into his third year. He’s taking all of the coaching Tashaun Gipson Jersey White , he listens to the veterans and he’s had a very good offseason. So, I’m looking for him to take that stride.”Watkins played a bit more in his rookie season and has 24 tackles and a sack over his 16 total appearances as a professional. If he can step that up this year, it will leave the General Manager-less Texans with one less hole to fill on the roster. The Tennessee Titans limited Marcus Mariota at practice Thursday and gave more work to backup Blaine Gabbert, and coach Mike Vrabel says they want to evaluate which quarterback will give them the best chance against the Houston Texans.Mariota practiced fully Wednesday after an injured elbow knocked him out of Tennessee's 27-20 opening loss in Miami Christian Covington Jersey , and Vrabel said the quarterback should play Sunday in the home opener barring any setbacks.On Thursday, Mariota's snaps were pared back, leaving him limited in practice.Vrabel said Mariota remains the starter."That could change," Vrabel said. "We'll see where things go here as we get closer to game day."Two-time Pro Bowl left tackle Taylor Lewan remained at home for a second straight day in the concussion protocol Womens Tyler Ervin Jersey , and the Titans hope to re-evaluate him Friday. Right tackle Jack Conklin did not practice Thursday after being limited since being removed from the physically unable to perform list at the end of the preseason.Dennis Kelly, who started in Conklin's place in the opener, did not practice Thursday because of illness. Cornerback Kenneth Durden also was added to the injury report with a hamstring that limited him.The Titans got some good news with a pair of rookie linebackers practicing fully. Rookie linebacker Harold Landry was back after missing Wednesday's session, and Rashsan Evans practiced for a second straight day. Evans Womens Shane Lechler Jersey , the 22nd pick overall, said he expects to play Sunday after missing the opener and all four preseason games.Linebacker Derrick Morgan also practiced fully after being limited.Wide receiver Corey Davis was limited a second straight day with a hamstring, but he told reporters before practice that his hamstring was just fine.