Washington Redskins quarterback Robert Griffin III arrives for the Redskins' NFL football game against the Dallas Cowboys, Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Evan Vucci)

Washington Redskins quarterback Robert Griffin III arrives for the Redskins' NFL football game against the Dallas Cowboys, Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Evan Vucci)

Dallas Cowboys quarterback Tony Romo arrives before an NFL football game against the Washington Redskins, Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Washington Redskins quarterback Robert Griffin III, second from left, walks with Baylor head football coach Art Briles, left, before an NFL football game against the Dallas Cowboys, Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Nick Wass)

Dallas Cowboys owner Jerry Jones reacts to fans before an NFL football game against the Washington Redskins, Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Richard Lipski)

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)

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)

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)

Dallas Cowboys quarterback Tony Romo reacts after throwing his second interception during the first half of an NFL football game against the Washington Redskins, Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Richard Lipski)

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)

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)

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 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)

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)

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/Nick Wass)

Washington Redskins quarterback Robert Griffin III (10) dives past Dallas Cowboys cornerback Brandon Carr (39) during the first half of an NFL football game Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Nick Wass)

Dallas Cowboys tight end Jason Witten (82) celebrates his touchdown in front of Washington Redskins linebacker London Fletcher (59) during the first half of an NFL football game Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Nick Wass)

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 quarterback Robert Griffin III (10) celebrates his touchdown with tight end Logan Paulsen (82) during the second half of an NFL football game against the Dallas Cowboys Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Nick Wass)

Washington Redskins quarterback Robert Griffin III (10) scores a touchdown in front of Dallas Cowboys cornerback Mike Jenkins (21) during the second half of an NFL football game Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Nick Wass)

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)

Washington Redskins running back Alfred Morris (46) is tackled by Dallas Cowboys strong safety Eric Frampton (27) during the second half of an NFL football game Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Washington Redskins running back Alfred Morris (46) scores a touchdown in front of Dallas Cowboys cornerback Brandon Carr, left, during the second half of an NFL football game Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Nick Wass)

Dallas Cowboys quarterback Tony Romo (9) throws as he is pressured by Washington Redskins outside linebacker Ryan Kerrigan (91) during the second half of an NFL football game Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Nick Wass)

Dallas Cowboys wide receiver Kevin Ogletree (85) catches a pass for a touchdown in front of Washington Redskins cornerback Richard Crawford (39) during the second half of an NFL football game Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Nick Wass)

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 running back Alfred Morris (46) scores a touchdown in front of Dallas Cowboys cornerback Brandon Carr (39) during the second half of an NFL football game Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Washington Redskins quarterback Robert Griffin III (10) reacts as running back Alfred Morris (46) heads for a touchdown during the second half of an NFL football game against the Dallas Cowboys on Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Washington Redskins quarterback Robert Griffin III (10) runs away from Dallas Cowboys outside linebacker DeMarcus Ware (94) during the second half of an NFL football game Sunday, Dec. 30, 2012, in Landover, Md. The Redskins won 28-18. (AP Photo/Richard Lipski)

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)

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 quarterback Tony Romo (9) greets Washington Redskins quarterback Robert Griffin III after an NFL football game Sunday, Dec. 30, 2012, in Landover, Md. The Redskins won 28-18, securing a playoff berth. (AP Photo/Evan Vucci)

Dallas Cowboys coach Jason Garrett, left, greets Washington Redskins coach Mike Shanahan after an NFL football game Sunday, Dec. 30, 2012, in Landover, Md. The Redskins won 28-18, securing a playoff berth. (AP Photo/Nick Wass)

Washington Redskins cornerback DeAngelo Hall (23) celebrates with quarterback Robert Griffin III (10) after an NFL football game against the Dallas Cowboys on Sunday, Dec. 30, 2012, in Landover, Md. The Redskins won 28-18, securing a playoff berth. (AP Photo/Nick Wass)

Washington Redskins outside linebacker Rob Jackson (50) catches an interception in front of Dallas Cowboys running back DeMarco Murray (29) during the second half of an NFL football game Sunday, Dec. 30, 2012, in Landover, Md. The Redskins won 28-18, securing a playoff berth. (AP Photo/Richard Lipski)

Dallas Cowboys head coach Jason Garrett talks with quarterback Tony Romo (9) during the second half of an NFL football game against the Washington Redskins Sunday, Dec. 30, 2012, in Landover, Md. (AP Photo/Richard Lipski)

Dallas Cowboys quarterback Tony Romo (9) is sacked by Washington Redskins inside linebacker London Fletcher (59) during the second half of an NFL football game Sunday, Dec. 30, 2012, in Landover, Md. The Redskins won 28-18, securing a playoff berth. (AP Photo/Richard Lipski)

Washington Redskins quarterback Robert Griffin III smiles as he wears a NFC East Division Champions hat after an NFL football game against the Dallas Cowboys Monday, Dec. 31, 2012, in Landover, Md. The Redskins won 28-18, securing a playoff berth. (AP Photo/Nick Wass)

Dallas Cowboys quarterback Tony Romo (9) pauses during a media availability after an NFL football game against the Washington Redskins Monday, Dec. 31, 2012, in Landover, Md. The Redskins won 28-18, securing a playoff berth. (AP Photo/Evan Vucci)

Washington Redskins quarterback Robert Griffin III (10) celebrates as he comes off the field after an NFL football game against the Dallas Cowboys on Sunday, Dec. 30, 2012, in Landover, Md. The Redskins won 28-18, securing a playoff berth. (AP Photo/Evan Vucci)

File- This Dec. 30, 2012 file photo shows Dallas Cowboys quarterback Tony Romo (9) throwing a pass during the first half of an NFL football game against the Washington Redskins in Landover, Md. Romo and the Cowboys have agreed on a six-year contract extension worth $108 million, with about half of that guaranteed. The agreement was reported on the team’s website Friday March 29, 2013. (AP Photo/Evan Vucci, File)

File- This Dec. 30, 2012 file photo shows Dallas Cowboys quarterback Tony Romo (9) standing during the national anthem before an NFL football game against the Washington Redskins in Landover, Md. Romo and the Cowboys have agreed on a six-year contract extension worth $108 million, with about half of that guaranteed. The agreement was reported on the team’s website Friday March 29, 2013. (AP Photo/Alex Brandon, File)

ADVANCE FOR WEEKEND EDITIONS, MAY 4-5 - FILE - In this Dec. 30, 2012 file photo, Cowboys quarterback Tony Romo throws a pass against the Washington Redskins during their NFL football game in Landover, Md. Jerry Jones first alluded to an expanded role for Romo the day the Dallas Cowboys owner and general manager signed his quarterback to a $108 million extension with more guaranteed money than Super Bowl winner Joe Flacco. (AP Photo/Richard Lipski, File)

FILE - In this Dec. 31, 2012 file photo, Dallas Cowboys quarterback Tony Romo (9) pauses during a media availability after an NFL football game against the Washington Redskins in Landover, Md. Romo will miss at least three weeks of offseason workouts after a procedure to remove a cyst from his back.The team's website reported Tuesday, May 21, 2013 that Romo underwent the procedure last month and could return for the mandatory minicamp that starts June 11. (AP Photo/Evan Vucci, File)