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SEATTLE, WA - AUGUST 25: Quarterback Tony Romo #9 of the Dallas Cowboys lies on the turf after being injured in the first quarter during a preseason game against the Seattle Seahawks at CenturyLink Field on August 25, 2016 in Seattle, Washington. (Photo by Otto Greule Jr/Getty Images)

SEATTLE, WA - AUGUST 25:  Quarterback Tony Romo #9 of the Dallas Cowboys lies on the turf after being injured in the first quarter during a preseason game against the Seattle Seahawks at CenturyLink Field on August 25, 2016 in Seattle, Washington.  (Photo by Otto Greule Jr/Getty Images)

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ARLINGTON, TX - AUGUST 19: Dak Prescott #4 of the Dallas Cowboys during a preseason game against the Miami Dolphins at AT&T Stadium on August 19, 2016 in Arlington, Texas. (Photo by Ronald Martinez/Getty Images)

ARLINGTON, TX - AUGUST 19:  Dak Prescott #4 of the Dallas Cowboys during a preseason game against the Miami Dolphins at AT&T Stadium on August 19, 2016 in Arlington, Texas.  (Photo by Ronald Martinez/Getty Images)