Tony Romo Pictures

  • FILE - DECEMBER 23, 2013: Sources say quarterback Tony Romo of the Dallas Cowboys underwent an MRI after yesterday's game and will miss the rest of the season due to a back injury December 23, 2013. ARLINGTON, TX - DECEMBER 15: Quarterback Tony Romo #9 of the Dallas Cowboys walks off the field after losing 37-36 to the Green Bay Packers during a game at AT&T Stadium on December 15, 2013 in Arlington, Texas. (Photo by Tom Pennington/Getty Images)