Dallas Cowboys tight end Jason Witten and running backs DeMarco Murray and Lance Dunbar are not expected to play in Thursday's preseason opener against the San Diego Chargers, reports the Dallas Morning News.
The trio join Tony Romo as Cowboys unlikely to play in the game. Romo had back surgery in December.
More: Dallas QB coach: Surgery affecting Romo's deep throws
As the Morning News points out, last season Witten, Romo and Murray all missed Dallas' first exhibition game.
According to ProFootballTalk, Witten and Murray do not have any specific health concerns.
Dunbar had surgery eight months ago to repair damage in his knee, but he has participated in all training camp practices.
The Cowboys' regular season opens up on Sept. 7 at home against San Francisco. -- Molly Geary
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