The Dallas Cowboys could be without star left tackle for the rest of the season.NFL Network's Mike Garafolo and Jane Jarvis Landry Jersey Slater report that Smith is gathering medical opinions on his neck after a setback, and one option being considered is shutting down for the season Duke Johnson Jersey , per sources informed of the situation.No final decision has been made, but Smith's status remains up in the air.Smith played Week 1, mi sed two games due to the injury and returned in Week 4, playing 100 percent of the snaps against Cleveland. The setback, however, threatens the rest of his season.Smith is sitting out practices this JC Tretter Jersey week. Given he's considering ending his season, it's hard to see how he'd play against the New York Giants this week, even Jim Brown Jersey if he doesn't shut it down.If the 29-year-old does indeed end his 2020 campaign, it would be a ma sive blow to the Cowboys offensive line that has struggled this season Myles Garrett Jersey both with and without Smith. Right tackle is already out for the year with a hip injury. and have been forced to play more than 210-plus snaps at offensive tackle. Predictably, neither has thrived. Only and have played more than 300 snaps along this O-line over four games Trevon Coley Jersey (Martin played 100 percent of the Cowboys' 307 offensive snaps). Losing Smith, a seven-time Pro Bowler, would put more inexperience in front of and for the rest of the season.