The Cowboys are bringing back quarterback Kellen Moore, team owner Jerry Jones told 105.3 The Fan (Twitter link via Jon Machota of the Dallas News). However, he declined to say whether Moore would serve as Dak Prescott‘s backup for the season opener against the Giants. 
When Moore missed the initial 53-man cut, it was assumed that undrafted free agent Cooper Rush had won the job as Prescott’s top understudy. That’s not necessarily the case. The Cowboys will carry all three QBs on the 53-man roster, but it’s possible that one of Rush or Moore will be on the active 46-man roster. Even if all three are dressed for game day, Moore could be the one to get the call if Prescott goes down with an injury.
Moore, 29, spent last year on IR after suffering an injury that opened the door to Prescott‘s remarkable rise. He was retained with a one-year, $775K deal in March, but a poor preseason led the Cowboys to consider other options.
There are so many better quarterback is out there and rush looked great. Why waste a spot? We could pick someone up of moores caliber whenever we wanted and Romo might even be willing to come back if Dak went down
He knows the offense and has experience playing in the NFL. Looking good in the preseason doesn’t hold too much stock since backups are usually playing against other backups. The risk in letting Moore go now is that another team could sign him and/or the player that the Cowboys might have to waive in the future could be claimed. And in the event that Dak does get hurt, its unrealistic to expect another veteran QB (aside from Moore and maybe Romo) to come in and be ready to lead the offense the subsequent week.
He’s a scrub, he’s to short with average arm strength. What a waste!!
Going to guess this won’t be official until week 2 so it isn’t guaranteed
This is what happens when you have an offensive coach in Linehan who really likes the kid. I think he is deluding himself in thinking this is another Kenny Stabler.
Oh wow. Is about all I can say. And why Jerry? Moore ain’t no good and the other back up is who? Might as well re-hire Wonder boy Romo back. At least he can throw a touchdown. And he would be a good back up to. Damn Cowboys