Dez Bryant continues to show a pattern of irresponsible behavior, sources tell ESPN's Adam Schefter.
NFL Network also reported the news.
Romo's rehab has consisted of getting the veteran quarterback in the best football shape possible by that date in Week 8, which follows the Cowboys' bye.
The Cowboys' medical team and owner Jerry Jones also believe that Week 8 will be a realistic date for Romo's return, according to Mortensen. As delighted as the Cowboys are with rookie quarterback Dak Prescott, they still believe Romo gives them the best chance for the postseason and postseason success, according to Mortensen.
Romo has not played this season as he recovers from a compression fracture in his back. The Cowboys opted not to place Romo on injured reserve at the start of the season.
Prescott has completed 66.7 percent of his passes (66 of 99), throwing for 767 yards and a touchdown and no interceptions. He also has rushed for 54 yards and two touchdowns.