The Cowboys have listed defensive tackle Tyrone Crawford (illness) and linebacker Anthony Hitchens (ankle) as questionable for Sunday's game against the Lions.
Crawford played in 15 games for Dallas this season, totaling 33 tackles and three sacks while Hitchens had 75 total tackles and one interception.
The Cowboys have also listed the following players as probable for Sunday: quarterback Tony Romo (back), running back DeMarco Murray (hand), defensive tackle Josh Brent (calf), linebacker Bruce Carter (knee), defensive tackle Nick Hayden (shoulder), safety Jeff Heath (thumb), guard Zack Martin (ankle), linebacker Rolando McClain (knee/illness), safety C.J. Spillman (groin) and linebacker Dekoda Watson (hamstring).
The Cowboys are currently 6 1/2-point favorites at home against Detroit.