IRVING, Texas -- Dallas Cowboys running back Darren McFadden is officially listed as questionable after his second straight limited practice, but he will play this Sunday against the Miami Dolphins.

Cornerback Morris Claiborne was ruled out with hamstring and ankle injuries, but wide receiver Dez Bryant is probable after going through his second straight limited practice.

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With McFadden slowed by a groin strain, the Cowboys will have Robert Turbin, who was signed Wednesday, active this Sunday. The only other tailbacks on the roster are rookies Rod Smith and Trey Williams.

“I think I’ve picked up the offense pretty well and a lot of guys are kind of teaching me and I’ve been staying late memorizing stuff that’s going on,” Turbin said. “I’m spending extra time on it, so I feel pretty ready to go.”

Turbin said he has tried to convert terminology the Cowboys use to what he ran with the Seattle Seahawks and Cleveland Browns.

“You have to develop a relationship with the quarterback and the timing and you have to be able to kind of recognize what the guys you have up front blocking for you and get a rhythm,” Turbin said. “So we’ve done a great job of that this week. I think I really feel at home here. I think I fit in and that’s just a compliment to the guys in the locker room, kind of allowing me to feel that way.”

Cornerback Brandon Carr (shoulder), safety Barry Church (ankle), defensive tackle Nick Hayden (ankles), safety Jeff Heath (shoulder), linebacker Anthony Hitchens (ankle), defensive end DeMarcus Lawrence (back), linebacker Sean Lee (concussion) and linebacker Rolando McClain (hand, foot) are probable.

Defensive end Jeremy Mincey (thigh) is questionable but he is expected to play. Linebacker Kyle Wilber (toe) is also questionable.

Wide receiver Brice Butler will miss his fifth game in the past six weeks with a hamstring injury. Rookie defensive end Ryan Russell has also been ruled out with an abdomen strain.