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LANDOVER, MD - DECEMBER 30: Alfred Morris #46 of the Washington Redskins carries the ball against the defense of Ernie Sims #59 of the Dallas Cowboys at FedExField on December 30, 2012 in Landover, Maryland. (Photo by Patrick McDermott/Getty Images)

Washington Redskins cornerback Richard Crawford (39) is tackled, after his interception, by Dallas Cowboys guard Mackenzy Bernadeau (73) and wide receiver Kevin Ogletree (85) during the first half of an NFL football game Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Evan Vucci)

Washington Redskins running back Alfred Morris (46) outruns Dallas Cowboys free safety Gerald Sensabaugh (43) for a touchdown during the first half of an NFL football game Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Evan Vucci)

LANDOVER, MD - DECEMBER 30: Robert Griffin III #10 celebrates his third quarter touchdown against the Dallas Cowboys with Logan Paulsen #82 of the Washington Redskins at FedExField on December 30, 2012 in Landover, Maryland. (Photo by Rob Carr/Getty Images)

LANDOVER, MD - DECEMBER 30: Madieu Williams #41 of the Washington Redskins tackles Dwayne Harris #17 of the Dallas Cowboys after a pass reception in the second quarter at FedExField on December 30, 2012 in Landover, Maryland. (Photo by Patrick McDermott/Getty Images)

LANDOVER, MD - DECEMBER 30: Robert Griffin III #10 of the Washington Redskins looks ot pass against the Dallas Cowboys in the second quarter at FedExField on December 30, 2012 in Landover, Maryland. (Photo by Rob Carr/Getty Images)

LANDOVER, MD - DECEMBER 30: Josh Wilson #26 of the Washington Redskins celebrates his first quarter interception against the Dallas Cowboys at FedExField on December 30, 2012 in Landover, Maryland. (Photo by Patrick McDermott/Getty Images)

LANDOVER, MD - DECEMBER 30: A Washington Redskins cheerleader performs during their game against the Dallas Cowboys at FedExField on December 30, 2012 in Landover, Maryland. (Photo by Rob Carr/Getty Images)

LANDOVER, MD - DECEMBER 30: Santana Moss #89 of the Washington Redskins is tackled by Mike Jenkins #21 of the Dallas Cowboys after catching a pass in the first quarter at FedExField on December 30, 2012 in Landover, Maryland. (Photo by Rob Carr/Getty Images)

Washington Redskins cornerback Josh Wilson (26) makes the catch for an interception in front of Dallas Cowboys wide receiver Miles Austin (19) during the first half of an NFL football game Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Richard Lipski)

LANDOVER, MD - DECEMBER 30: Kicker Kai Forbath #2 of the Washington Redskins misses a field goal attempt against the Dallas Cowboys in the first quarter at FedExField on December 30, 2012 in Landover, Maryland. (Photo by Rob Carr/Getty Images)

Washington Redskins quarterback Robert Griffin III (10) celebrates his touchdown during the second half of an NFL football game against the Dallas Cowboys on Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Nick Wass)

Dallas Cowboys tight end Jason Witten (82) is ridden out of bounds by Washington Redskins linebacker Lorenzo Alexander (97) after a catch during the first half of their NFL football game in Landover, Maryland, December 30, 2012. REUTERS/Jonathan Ernst

Washington Redskins quarterback Robert Griffin III (L) runs against the Dallas Cowboys in the first half of their NFL football game in Landover, Maryland December 30, 2012. REUTERS/Gary Cameron

Washington Redskins running back Alfred Morris is tackled by Dallas Cowboys nose tackle Sean Lissemore (95) and defensive end Jason Hatcher (97) during the first half of an NFL football game Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Alex Brandon)

Dallas Cowboys tight end Jason Witten celebrates a touchdown reception from quarterback Tony Romo (not pictured) in the first half of their NFL football game against the Washington Redskins in Landover, Maryland December 30, 2012. REUTERS/Gary Cameron

Dallas Cowboys quarterback Tony Romo (9) scrambles during the first half of an NFL football game against the Washington Redskins on Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Washington Redskins punter Sav Rocca (6) tackles Dallas Cowboys' Dwayne Harris (17) during the second half of an NFL football game Sunday, Dec. 30, 2012, in Landover, Md. Rocca was called for a penalty on the play. (AP Photo/Evan Vucci)

Washington Redskins free safety Madieu Williams (41) tackles Dallas Cowboys wide receiver Dwayne Harris (17) during the first half of an NFL football game Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Washington Redskins quarterback Robert Griffin III celebrates a touchdown during the first half of an NFL football game against the Dallas Cowboys on Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Evan Vucci)

Dallas Cowboys wide receiver Dez Bryant (88) is stopped by Washington Redskins cornerback DeAngelo Hall (23) during the first half of an NFL football game Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Nick Wass)

Washington Redskins running back Alfred Morris (46) celebrates his touchdown during the first half of an NFL football game against the Dallas Cowboys, Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Nick Wass)

Dallas Cowboys quarterback Tony Romo (9) and guard Derrick Dockery (76) celebrate Romo's touchdown pass during the first half of an NFL football game against the Washington Redskins on Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Evan Vucci)

LANDOVER, MD - DECEMBER 30: Rob Jackson #50 of the Washington Redskins celebrates his fourth quarter interception against the Dallas Cowboys at FedExField on December 30, 2012 in Landover, Maryland. (Photo by Rob Carr/Getty Images)

LANDOVER, MD - DECEMBER 30: Head coach Jason Garrett talks to Tony Romo #9 of the Dallas Cowboys after they failed to convert on a third down against the Washington Redskins at FedExField on December 30, 2012 in Landover, Maryland. (Photo by Rob Carr/Getty Images)

Washington Redskins running back Alfred Morris (46) gets away from Dallas Cowboys strong safety Eric Frampton (27) during the second half of an NFL football game Sunday, Dec. 30, 2012, in Landover, Md. The Redskins won 28-18. (AP Photo/Nick Wass)

LANDOVER, MD - DECEMBER 30: Quarterback Robert Griffin III #10 of the Washington Redskins celebrates after the Redskins defeated the Dallas Cowboys 28-18 at FedExField on December 30, 2012 in Landover, Maryland. (Photo by Rob Carr/Getty Images)