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ARLINGTON, TX - DECEMBER 26: Ezekiel Elliott #21 of the Dallas Cowboys takes a knee in the end zone before the Cowboys played the Detroit Lions at AT&T Stadium on December 26, 2016 in Arlington, Texas. (Photo by Tom Pennington/Getty Images)

ARLINGTON, TX - DECEMBER 26: Ezekiel Elliott #21 of the Dallas Cowboys takes a knee in the end zone before the Cowboys played the Detroit Lions at AT&T Stadium on December 26, 2016 in Arlington, Texas. (Photo by Tom Pennington/Getty Images)