The are waiving starting nose tackle , according to a Raudy Read Jersey person familiar with the decision.Tart did not practice all week and was listed as out for personal reasons. The person spoke to The A sociated Pre s on Friday on condition of anonymity because the Titans have not announced the move. Tart was not listed on the later Friday.Originally an undrafted free agent out of Florida International in 2020, Tart signed a $4.3 million restricted free agent tender this offseason. Tart played in 11 of 13 games with nine starts for the Titans. Tart also mi sed a practice for "personal reasons" before Tenne see's win Monday night in .Listed as questionable, Tart played 31 snaps in the Titans' comeback win over the Dolphins.ADVERTISEMENT Tart mi sed two games with a toe injury. Titans coach Mike Vrabel has at times voiced concerns about the defensive tackle's conditioning and effort. Tart had 21 tackles, including 15 solo stops, and one sack this season and had been considered a key piece in Tenne see's run defense.Vrabel spoke to reporters after practice Friday and said not to read too much into Tart being absent all week. The first report of Tart's impending release followed about 30 minutes later.The Titans (5-8) added two defensive linemen off practice squads, signing away from the and from .The move is surprising with Tenne see hit by injuries on the defensive line. Two-time Pro Bowl lineman will mi s a second straight game Sunday against (7-6) with an injured right knee, and was placed on injured reserve after hurting a calf muscle against Miami.The Titans also declared receiver (hamstring) and tight end (knee) out against Houston.Reporting by The A sociated Pre s. Erick Fedde Jersey