Washington Redskins quarterback Robert Griffin III (10) warms up before the Washington Redskins play the Philadelphia Eagles at Lincoln Financial Field, Philadelphia, Pa., Sunday, December 23, 2012. (Andrew Harnik/The Washington Times)
Washington Redskins' Robert Griffin III in action in the second half of an NFL football game against the Philadelphia Eagles, Sunday, Dec. 23, 2012, in Philadelphia. (AP Photo/Michael Perez)
Philadelphia Eagles quarterback Nick Foles, right, fakes a handoff to running back LeSean McCoy during practice at the team's NFL football training facility, Wednesday, Dec. 19, 2012, in Philadelphia. (AP Photo/Matt Rourke)
Cincinnati Bengals' Andy Dalton spikes the ball after scoring a touchdown in the second half of an NFL game against the Philadelphia Eagles, Thursday, Dec. 13, 2012, in Philadelphia. (AP Photo/Mel Evans)
Philadelphia Eagles running back LeSean McCoy (25) rushes with the ball in the first half of an NFL football game against the Dallas Cowboys, Sunday, Nov. 11, 2012, in Philadelphia. (AP Photo/Michael Perez)
Philadelphia Eagles running back Bryce Brown (34) stiff arms Tampa Bay Buccaneers defensive back Anthony Gaitor (26) during the first quarter of an NFL football game Sunday, Dec. 9, 2012, in Tampa, Fla. (AP Photo/Brian Blanco)
Injured Philadelphia Eagles quarterback Michael Vick walks on the field after an NFL football game against the Carolina Panthers Monday, Nov. 26, 2012, in Philadelphia. (AP Photo/Mel Evans)
Philadelphia Eagles running back Bryce Brown (34) stiff arms Tampa Bay Buccaneers defensive back Anthony Gaitor (26) during the first quarter of an NFL football game Sunday, Dec. 9, 2012, in Tampa, Fla. (AP Photo/Brian Blanco)
Dallas Cowboys nose tackle Josh Brent runs onto the field from the team's tunnel after being introduced before an NFL football game against the Philadelphia Eagles in Arlington, Texas, on Sunday, Dec. 2, 2012. (AP Photo/Tony Gutierrez)
Philadelphia Eagles quarterback Nick Foles (9) is hit by Dallas Cowboys outside linebacker DeMarcus Ware (94) during the first half of an NFL football game, Sunday, Dec. 2, 2012, in Arlington, Texas. (AP Photo/LM Otero)
Philadelphia Eagles' LeSean McCoy carries the ball during the first half of an NFL football game against the Washington Redskins in Landover, Md., Sunday, Nov. 18, 2012. (AP Photo/Alex Brandon)
Outside linebacker Ryan Kerrigan, shown sacking Dallas’ Tony Romo, and the Redskins have turned up the heat in the NFC East race the past two weeks with victories over the Philadelphia Eagles and Cowboys. (Associated Press)