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Cowboys RB Marion Barber rushed for 100 yards for the third time this year.

It was over when ...
Marion Barber picked up the first down on a fourth-and-1 run with just over a minute remaining. The conversion allowed Dallas to go into the victory formation and run out the clock.

Game ball
Barber had struggled through much of his career against Washington, but he dominated the Redskins on Sunday night. He was the force behind Dallas' clinching 13-play drive that spanned almost seven minutes to end the game.

Key stat
The Cowboys converted their only fourth-down attempt as mentioned above, while the Redskins were only 1-of-2, with their failed attempt coming the drive before Dallas took over and ran out the clock.

Noteworthy
Jay Ratliff had a career-high two sacks for the Cowboys. ... In his first game after missing four straight with a broken finger, Tony Romo threw the winning 25-yard TD pass to rookie TE Martellus Bennett. ... Redskins RB Clinton Portis started in spite of a sprained knee and finished with 68 yards rushing. ... Washington's Rocky McIntosh had his first career interception.