Due to hamstring injury Tyron Smith out from NFL

The Dallas Cowboys will be without Pro Bowl left tackle Tyron Smith for a significant stretch to open the season.

according to news Smith suffered a hamstring injury during practice season and is out indefinitely, NFL Network

The 31-year-old went down practically speaking with a non-contact injury yet had the option to stroll off under his own power.

Smith is as yet going through tests to decide how the club will continue with the star left tackle

Pelissero added that , and it's too soon to determine if it could be season-ending.

While the Cowboys have gotten used to playing without the eight-time Pro Bowler, who has missed 20 games the past two seasons and hasn't played an entire season since 2015