Dallas Cowboys wide receiver Miles Austin (19) celebrates his touchdown with running back Marion Barber (24) in the first half of an NFL football game against the Oakland Raiders,, Thursday, Nov...

GREEN BAY, WI - NOVEMBER 15: Marion Barber #24 of the Dallas Cowboys breaks a tackle attempt by Brad Jones #59 of the Green...

CAPTION: Nov 22, 2009; Arlington, TX, USA; Dallas Cowboys running back Marion Barber (24) is gang tackled by the Washington Redskins at Cowboys Stadium. Mandatory Credit: Tim Heitman-US...

Dallas Cowboys wide receiver Miles Austin (19), running back Marion Barber (24), offensive tackle Doug Free (68) and center Andre Gurode, second from right, celebrate with wide...

Dallas Cowboys running back Marion Barber (24) attempts to escape a tackle by Washington Redskins cornerback Fred Smoot (27) as linebacker Rocky...

Nov 21, 2009; Green Bay, WI, USA; Dallas Cowboys running back Marion Barber (24) is tackled by a swarm of Green Bay Packers defenders while carrying the football during...

Nov 21, 2009; Green Bay, WI, USA; Dallas Cowboys running back Marion Barber (24) rushes with the football during the first quarter against the Green Bay Packers at Lambeau...

CAPTION: Nov 21, 2009; Green Bay, WI, USA; Dallas Cowboys running back Marion Barber (24) is tackled by a swarm of Green Bay Packers defenders while carrying the football during...

...08, 2009; Philadelphia, PA, USA; Philadelphia Eagles linebacker Tracy White (52) tackles Dallas Cowboys running back Marion Barber (24) during the fourth quarter at Lincoln Financial Field. The Cowboys defeated the Eagles 20-16...

Dallas Cowboys quarterback Tony Romo, center, passes to running back Marion Barber, right, as Philadelphia Eagles defensive tackle Mike Patterson, left, reaches for Romo during the first half...

Dallas Cowboys wide receiver Miles Austin (19) and running back Marion Barber (24) during an NFL football game against the Seattle Seahawks, Sunday, Nov. 1, 2009 in Arlington...

...defeated the Vikings 35-31. (C)Aug 21, 2009; Arlington, TX, USA; Dallas Cowboys running back Marion Barber (24) rushes against the Tennessee Titans at Cowboys Stadium. (R) Sep 28, 2009; Arlington, TX, USA...

...MO - OCTOBER 11: Mike Brown #30 and Jarrad Page #44 of the Kansas City Chiefs tackle Marion Barber #24 of the Dallas Cowboys at Arrowhead Stadium on October 11, 2009 in Kansas City, Missouri...

Aug 21, 2009; Arlington, TX, USA; Dallas Cowboys running back Marion Barber (24) rushes against the Tennessee Titans at Cowboys Stadium

Dallas Cowboys running back Marion Barber (24) is tackled by Tampa Bay Buccaneers linebacker Barrett Ruud (51) during an NFL football game...