Washington Redskins inside linebacker London Fletcher waits to be introduced before an NFL football game against the Dallas Cowboys in Landover, Md., Sunday, Dec. 22, 2013. (AP Photo/Evan Vucci)

Washington Redskins quarterback Kirk Cousins looks for an opening to pass during the first half of an NFL football game against the Dallas Cowboys in Landover, Md., Sunday, Dec. 22, 2013. (AP Photo/Evan Vucci)

Dallas Cowboys running back DeMarco Murray (29) carries the ball into the end zone past Washington Redskins inside linebacker London Fletcher (59) for a touchdown during the first half of an NFL football game in Landover, Md., Sunday, Dec. 22, 2013. (AP Photo/Alex Brandon)

Dallas Cowboys wide receiver Micheal Spurlock (15) leaves Washington Redskins strong safety Jose Gumbs on the turf while returning a punt during the first half of an NFL football game in Landover, Md., Sunday, Dec. 22, 2013. (AP Photo/Alex Brandon)

Dallas Cowboys quarterback Tony Romo passes the ball during the first half of an NFL football game against the Washington Redskins in Landover, Md., Sunday, Dec. 22, 2013. (AP Photo/Evan Vucci)

Washington Redskins fullback Darrel Young rolls over the top of Dallas Cowboys strong safety J.J. Wilcox for extra yardage during the first half of an NFL football game in Landover, Md., Sunday, Dec. 22, 2013. (AP Photo/Mark Tenally)

Dallas Cowboys wide receiver Dez Bryant pulls in a touchdown pass next to Washington Redskins strong safety Brandon Meriweather during the first half of an NFL football game in Landover, Md., Sunday, Dec. 22, 2013. (AP Photo/Alex Brandon)

Washington Redskins fullback Darrel Young knocks the helmet off of Dallas Cowboys free safety Barry Church during the second half of an NFL football game in Landover, Md., Sunday, Dec. 22, 2013. (AP Photo/Evan Vucci)

Washington Redskins wide receiver Pierre Garcon is congratulated by defensive end Chris Baker, left, after Garcon's touchdown during the second half of an NFL football game against the Dallas Cowboys in Landover, Md., Sunday, Dec. 22, 2013. (AP Photo/Evan Vucci)

Dallas Cowboys wide receiver Micheal Spurlock pulls in a kickoff during the first half of an NFL football game against the Washington Redskins in Landover, Md., Sunday, Dec. 22, 2013. (AP Photo/Mark Tenally)

Dallas Cowboys running back DeMarco Murray cadres the ball during the first half of an NFL football game against the Washington Redskins in Landover, Md., Sunday, Dec. 22, 2013. (AP Photo/Evan Vucci)

Washington Redskins wide receiver Pierre Garcon is stopped by Dallas Cowboys cornerback Orlando Scandrick during the first half of an NFL football game in Landover, Md., Sunday, Dec. 22, 2013. (AP Photo/Evan Vucci)

Washington Redskins running back Alfred Morris is stopped by Dallas Cowboys strong safety Jeff Heath short of the goal line during the second half of an NFL football game in Landover, Md., Sunday, Dec. 22, 2013. Morris scored on the next play. (AP Photo/Alex Brandon)

Washington Redskins wide receiver Pierre Garcon is hauled to the turf by Dallas Cowboys cornerback Brandon Carr during the second half of an NFL football game in Landover, Md., Sunday, Dec. 22, 2013. (AP Photo/Evan Vucci)

Dallas Cowboys quarterback Tony Romo looks for an opening to pass during the second half of an NFL football game against the Washington Redskins in Landover, Md., Sunday, Dec. 22, 2013. (AP Photo/Evan Vucci)

Dallas Cowboys quarterback Tony Romo is sacked by Washington Redskins outside linebacker Ryan Kerrigan during the second half of an NFL football game in Landover, Md., Sunday, Dec. 22, 2013. (AP Photo/Evan Vucci)

Washington Redskins running back Alfred Morris is dragged down by Dallas Cowboys outside linebacker Bruce Carter (54) during the second half of an NFL football game in Landover, Md., Sunday, Dec. 22, 2013. (AP Photo/Evan Vucci)

Washington Redskins running back Alfred Morris punches his way into the end zone for a touchdown past Dallas Cowboys strong safety Jeff Heath during the second half of an NFL football game in Landover, Md., Sunday, Dec. 22, 2013. (AP Photo/Evan Vucci)

Dallas Cowboys running back DeMarco Murray carries the ball into the end zone for a touchdown late in the fourth quarter under pressure from Washington Redskins cornerback DeAngelo Hall during an NFL football game in Landover, Md., Sunday, Dec. 22, 2013. The Cowboys defeated the Redskins 24-23. (AP Photo/Evan Vucci)

Dallas Cowboys wide receiver Dez Bryant is knocked up of bounds short of the goal line by Washington Redskins outside linebacker Ryan Kerrigan, left, strong safety Brandon Meriweather (31) and free safety E.J. Biggers (30) during the second half of an NFL football game in Landover, Md., Sunday, Dec. 22, 2013. The Cowboys defeated the Redskins 24-23. (AP Photo/Evan Vucci)

Dallas Cowboys quarterback Tony Romo, left, is hugged by guard Mackenzy Bernadeau as Washington Redskins nose tackle Barry Cofield, right, walks off the field after Romo threw the game tying touchdown pass late in the fourth quarter of an NFL football game in Landover, Md., Sunday, Dec. 22, 2013. The Cowboys defeated the Redskins 24-23. (AP Photo/Alex Brandon)