Cowboys' Jeremy Mincey out against Falcons with concussion
Mincey was a limited participant in practice Thursday and didn't work out Friday. The 10th-year player dealt with concussion symptoms last season as well.
Tight end Jason Witten is probable with two sprained ankles and a sprained left knee. He was a full participant Friday after being limited the first two practice days.
Guard Ron Leary (groin) is questionable.
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