Kansas City Chiefs running back Knile Davis breaks free from Washington Redskins cornerback Josh Wilson for a touchdown during the second of an NFL football game in Landover, Md., Sunday, Dec. 8, 2013. (AP Photo/Evan Vucci)

Washington Redskins head coach Mike Shanahan watches the action on the field during the second half of an NFL football game against the in Landover, Md., Sunday, Dec. 8, 2013. (AP Photo/Evan Vucci)

Kansas City Chiefs running back Knile Davis carries the ball into the end zone for a touchdown as wide receiver Junior Hemingway (88) keeps Washington Redskins outside linebacker Ryan Kerrigan away during the second half of an NFL football game in Landover, Md., Sunday, Dec. 8, 2013. (AP Photo/Pablo Martinez Monsivais)

Kansas City Chiefs running back Jamaal Charles leaves Washington Redskins strong safety Reed Doughty (37) and inside linebacker Perry Riley on the ground as he carries the ball for long yardage during the second half of an NFL football game in Landover, Md., Sunday, Dec. 8, 2013. (AP Photo/Pablo Martinez Monsivais)

Kansas City Chiefs running back Jamaal Charles breaks free from Washington Redskins outside linebacker Brian Orakpo (98) and cornerback Josh Wilson (26) during the second half of an NFL football game in Landover, Md., Sunday, Dec. 8, 2013. (AP Photo/Pablo Martinez Monsivais)

Kansas City Chiefs wide receiver Dexter McCluster (22) slides between Washington Redskins cornerback DeAngelo Hall (23) and wide receiver Junior Hemingway (88) during the first half of an NFL football game in Landover, Md., Sunday, Dec. 8, 2013. (AP Photo/Evan Vucci)

Kansas City Chiefs wide receiver Dexter McCluster breaks free from Washington Redskins defensive back Trenton Robinson to score a touchdown on a punt return during the first half of an NFL football game in Landover, Md., Sunday, Dec. 8, 2013. (AP Photo/Pablo Martinez Monsivais)

Washington Redskins tight end Logan Paulsen celebrates his touchdown during the first half of an NFL football game against the Kansas City Chiefs in Landover, Md., Sunday, Dec. 8, 2013. (AP Photo/Evan Vucci)

Washington Redskins tight end Logan Paulsen pulls in a touchdown pass as Kansas City Chiefs defensive back Quintin Demps closes in during the first half of an NFL football game in Landover, Md., Sunday, Dec. 8, 2013. (AP Photo/Evan Vucci)

Kansas City Chiefs defensive back Quintin Demps, right, scoops up a ball from Washington Redskins quarterback Robert Griffin III and heads toward the end zone during the first half of an NFL football game in Landover, Md., Sunday, Dec. 8, 2013. After review, the play was ruled dead and the resulting touchdown was not scored. (AP Photo/Pablo Martinez Monsivais)

Washington Redskins quarterback Robert Griffin III is sacked by Kansas City Chiefs outside linebacker Tamba Hali during the first half of an NFL football game in Landover, Md., Sunday, Dec. 8, 2013. (AP Photo/Pablo Martinez Monsivais)

Kansas City Chiefs running back Jamaal Charles breaks free from Washington Redskins free safety David Amerson to score a touchdown during the first half of an NFL football game in Landover, Md., Sunday, Dec. 8, 2013. (AP Photo/Pablo Martinez Monsivais)

Kansas City Chiefs defensive back Quintin Demps (35) is stopped by Washington Redskins free safety E.J. Biggers (30) during the first half of an NFL football game in Landover, Md., Sunday, Dec. 8, 2013. (AP Photo/Pablo Martinez Monsivais)

Kansas City Chiefs running back Jamaal Charles gets by Washington Redskins free safety E.J. Biggers (30) and carries the ball into the end zone for a touchdown during the first half of an NFL football game, in Landover, Md., Sunday, Dec. 8, 2013. (AP Photo/Evan Vucci)

Kansas City Chiefs running back Jamaal Charles celebrates his touchdown during the first half of an NFL football game against the Washington Redskins in Landover, Md., Sunday, Dec. 8, 2013. (AP Photo/Pablo Martinez Monsivais)

Washington Redskins quarterback Robert Griffin III scrambles past Kansas City Chiefs defensive end Allen Bailey (97) during the first half of an NFL football game in Landover, Md., Sunday, Dec. 8, 2013. (AP Photo/Pablo Martinez Monsivais)

Kansas City Chiefs wide receiver Dwayne Bowe flies past Washington Redskins free safety David Amerson into the end zone for a touchdown during the first half of an NFL football game in Landover, Md., Sunday, Dec. 8, 2013. (AP Photo/Evan Vucci)

Kansas City Chiefs wide receiver Dwayne Bowe dives away from Washington Redskins free safety David Amerson into the end zone for a touchdown during the first half of an NFL football game in Landover, Md., Sunday, Dec. 8, 2013. (AP Photo/Pablo Martinez Monsivais)

Kansas City Chiefs wide receiver Dexter McCluster (22) slides between Washington Redskins cornerback DeAngelo Hall (23) and wide receiver Junior Hemingway (88) during the first half of an NFL football game in Landover, Md., Sunday, Dec. 8, 2013. (AP Photo/Evan Vucci)

Kansas City Chiefs quarterback Alex Smith passes there ball during the first half of an NFL football game against the Washington Redskins in Landover, Md., Sunday, Dec. 8, 2013. (AP Photo/Evan Vucci)

Kansas City Chiefs wide receiver Dexter McCluster returns a punt for a touchdown during the first half of an NFL football game against the Washington Redskins in Landover, Md., Sunday, Dec. 8, 2013. (AP Photo/Evan Vucci)

Kansas City Chiefs defensive back Quintin Demps carries the ball into the end zone for a touchdown as Washington Redskins free safety E.J. Biggers watches from the ground during the first half of an NFL football game in Landover, Md., Sunday, Dec. 8, 2013. (AP Photo/Pablo Martinez Monsivais)