
FILE - This Oct. 31, 2010, file photo shows Washington Redskins quarterback Donovan McNabb on from the sidelines after being benched during the fourth quarter of an NFL football game against the Detroit Lions, in Detroit. A person with knowledge of the situation says the Redskins plan to start Rex Grossman at quarterback over McNabb on Sunday, against the Dallas Cowboys. The person spoke to The Associated Press on condition of anonymity on Friday, Dec. 17, 2010, because coach Mike Shanahan had yet to announce the switch. (AP Photo/Paul Sancya, File)

FILE - Dallas Cowboys quarterback Tony Romo, left, sits with Candice Crawford during the second half of an NBA basketball game of the Dallas Mavericks and the Oklahoma City Thunder in Dallas on in this April 3, 2010 file photo. Romo is engaged to be married to former Miss Missouri Candice Crawford. Crawford works as a sports reporter for KDAF-TV in Dallas. The station reports that the 30-year-old player proposed to Crawford while the couple were celebrating her 24th birthday at a Dallas restaurant on Thursday Dec. 16, 2010. (AP Photo/Mike Fuentes, File)

Philadelphia Eagles wide receiver DeSean Jackson (10) is tackled by Dallas Cowboys cornerback Alan Ball (20) and Terence Newman (41) after catching a 60-yard pass in the first half of the Eagles' 30-27 win on Sunday in Arlington, Texas. (Associated Press)

** FILE ** Former Dallas Cowboys quarterback Don Meredith walks out for the coin toss before the football game between the U.S. Naval Academy and Southern Methodist University in Dallas in 2002. (AP Photo/L.M. Otero, File)

ASSOCIATED PRESS Dallas Cowboys quarterback Jon Kitna (3) tries to evade New Orleans Saints defensive tackle Sedrick Ellis (98) during the first quarter of the NFL football game, Thursday, Nov. 25, 2010, at Cowboys Stadium in Arlington, Texas. Also shown is Cowboys offensive tackle Doug Free (68).

ASSOCIATED PRESS Dallas Cowboys quarterback Jon Kitna (3) tries to evade New Orleans Saints defensive tackle Sedrick Ellis (98) during the first quarter of the NFL football game, Thursday, Nov. 25, 2010, at Cowboys Stadium in Arlington, Texas. Also shown is Cowboys offensive tackle Doug Free (68).

ASSOCIATED PRESS New Orleans Saints quarterback Drew Brees (9) is grabbed by Dallas Cowboys linebacker Keith Brooking (51) during the first quarter of an NFL football game, Thursday, Nov. 25, 2010, in Arlington, Texas.

ASSOCIATED PRESS New Orleans Saints quarterback Drew Brees (9) is grabbed by Dallas Cowboys linebacker Keith Brooking (51) during the first quarter of an NFL football game, Thursday, Nov. 25, 2010, in Arlington, Texas.

Dallas Cowboys wide receiver Dez Bryant (88) catches a pass for a touchdown as New York Giants cornerback Terrell Thomas (24) defends during the first quarter of an NFL football game at New Meadowlands Stadium on Sunday, Nov. 14, 2010, in East Rutherford, N.J. (AP Photo/Bill Kostroun)