The Dallas Cowboys Cheerleaders perform before an NFL football game against the Washington Redskins on Sunday, Jan. 3, 2016, in Arlington, Texas. (AP Photo/Roger Steinman)

A law enforcement officer holds on to a field-sized United States flag as she and other first responders participate in a pregame ceremony during the playing of the national anthem before an NFL football game between the Washington Redskins and the Dallas Cowboys on Sunday, Jan. 3, 2016, in Arlington, Texas. The Cowboys honored first responders during the game. (AP Photo/Tim Sharp)

Dallas police officers join other first responders as they prepare to march a field-sized United States flag onto the field before an NFL football game between the Washington Redskins and the Dallas Cowboys on Sunday, Jan. 3, 2016, in Arlington, Texas. The Cowboys were honoring first responders throughout the game. (AP Photo/Michael Ainsworth)

Washington Redskins' Kirk Cousins (8) and Morgan Moses (76) celebrate with Pierre Garcon (88) after Garcon's touchdown against the Dallas Cowboys in the first half of an NFL football game, Sunday, Jan. 3, 2016, in Arlington, Texas. (AP Photo/Michael Ainsworth)

Washington Redskins outside linebacker Trent Murphy (93) applies pressure as Dallas Cowboys quarterback Kellen Moore (17) prepares to throw in the first half of an NFL football game, Sunday, Jan. 3, 2016, in Arlington, Texas. (AP Photo/Michael Ainsworth)

Washington Redskins outside linebacker Ryan Kerrigan (91) celebrates with teammate Will Compton (51) after Compton intercepted a Dallas Cowboys' Kellen Moore pass in the first half of an NFL football game Sunday, Jan. 3, 2016, in Arlington, Texas. (AP Photo/Michael Ainsworth)

Dallas Cowboys tight end Jason Witten (82) reaches the ball past the goal line for a touchdown after catching a four yard pass as Washington Redskins' Jeron Johnson, left, and Mason Foster (54) right rear, defend in the first half of an NFL football game, Sunday, Jan. 3, 2016, in Arlington, Texas. (AP Photo/Michael Ainsworth)

Washington Redskins quarterback Kirk Cousins (8) looks to pass under pressure in the first half of an NFL football game against the Dallas Cowboys on Sunday, Jan. 3, 2016, in Arlington , Texas. (AP Photo/Tim Sharp)

Washington Redskins' Keenan Robinson (52) and Mason Foster, rear, combine to stop Dallas Cowboys' Jason Witten (82) as Witten fights for extra yardage after making a catch in the first half of an NFL football game, Sunday, Jan. 3, 2016, in Arlington, Texas. (AP Photo/Michael Ainsworth)

Washington Redskins tight end Jordan Reed (86) gains yardage after catching a pass as Washington Redskins linebacker Carlos Fields (59) pursues in the first half of an NFL football game, Sunday, Jan. 3, 2016, in Arlington, Texas. (AP Photo/Michael Ainsworth)

Dallas Cowboys' Tony Romo shouts instructions to the offense during the first half of an NFL football game against the Washington Redskins, Sunday, Jan. 3, 2016, in Arlington, Texas. (AP Photo/Tim Sharp)

A law enforcement officer holds on to a field-sized United States flag as she and other first responders participate in a pregame ceremony during the playing of the national anthem before an NFL football game between the Washington Redskins and the Dallas Cowboys on Sunday, Jan. 3, 2016, in Arlington, Texas. The Cowboys honored first responders during the game. (AP Photo/Tim Sharp)

Dallas Cowboys' Cole Beasley (11) is congratulated by Zack Martin (70) and Terrance Williams (83) after catching a pass for a touchdown against the Washington Redskins in the first half of an NFL football game, Sunday, Jan. 3, 2016, in Arlington, Texas. (AP Photo/Michael Ainsworth)

Washington Redskins running back Alfred Morris (46) carries the ball as Dallas Cowboys' Deji Olatoye (29) attempts the stop in the first half of an NFL football game, Sunday, Jan. 3, 2016, in Arlington, Texas. (AP Photo/Tim Sharp)

A fan holds a sign supporting the Dallas Cowboys in the first half of an NFL football game against the the Washington Redskins, Sunday, Jan. 3, 2016, in Arlington, Texas. (AP Photo/Michael Ainsworth)

Law enforcement officers play bagpipes as they participate in a Washington Redskins and Dallas Cowboys NFL football game halftime show honoring first responders at AT&T Stadium on Sunday, Jan. 3, 2016, in Arlington, Texas. (AP Photo/Tim Sharp)