NOTES: Dallas signed DT Brian Schaefering, who was released by Cleveland before this season. He appeared in five games with the Browns in 2009, and all 16 games (nine starts) in 2010, when current Cowboys defensive coordinator Rob Ryan held the same position there. ... NT Jay Ratliff (groin) and rookie CB Morris Claiborne (concussion) didn't practice. RB DeMarco Murray (foot) and LB DeMarcus Ware (elbow) were also held out. ... DE Robert Rose (Ohio State), LB Brashton Satele (Hawaii) and TE Andre Smith (Virginia Tech) were added to the practice squad.