Robert Kelley might be a rookie, but the Washington Redskins running back seems to have a really good grasp of the rivalry between his team and the Dallas Cowboys.

Two days before the much-anticipated Thanksgiving Day matchup, Kelley took a shot at the Redskins' NFC East foes.

"I know nobody here like the Dallas Cowgirls," Kelley told reporters Tuesday.

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As if the Rivalry needed any more stoking, here's #Redskins RB Robert Kelley on the Dallas "Cowgirls" - from earlier today. @ABC7News #HTTR pic.twitter.com/NuggvYZOZE

— Alex Parker (@ParkerSports) November 22, 2016

No, it's not the most creative shot at America's Team and it's probably not the wisest move by 24-year-old, who has rushed for 424 yards and four touchdowns. The Cowboys are riding a franchise-record nine-game winning streak and have the best record (9-1) in the NFL.

Dallas also has bragging rights over Washington this season, beating the Redskins in D.C. during their Week 2 matchup. Washington is coming off a season-best 42-point outburst against the Packers, with Kelley rushing for a career-best 137 yards and three touchdowns.

Maybe that's why he's feeling so confident heading into the game. Will he feel the same after it?