Tyron Smith facing surgery for torn hamstring, possible December return, 

going to return before December after his left hamstring tore and fell off the bone during Wednesday's training,

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Smith is planned to have a medical procedure on Friday, a source told ESPN.

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"It's a major dissatisfaction, none more so than for Tyron himself," Cowboys proprietor Jerry Jones said Thursday.

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"We need it pushed up there where we're ahead of the pack. At the point when we arrive sound,

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Smith was harmed on a running play and went to the ground as he went to make a block on linebacker Leighton Vander Esch.

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Ezekiel Elliott let it be known was hard to continue on toward the following play by and by after Smith left in view of his significance to the group.

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That O line room has had an extraordinary culture since I've been here and I have confidence that those folks will actually want to move forward."

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