Miami Dolphins v Dallas Cowboys

ARLINGTON, TX - AUGUST 29: Ryan Tannehill #17 of the Miami Dolphins warms up prior to a preseason game against the Dallas Cowboys at Cowboys Stadium on August 29, 2012 in Arlington, Texas. (Photo by Ronald Martinez/Getty Images)

Miami Dolphins v Dallas Cowboys

ARLINGTON, TX - AUGUST 29: Nolan Carroll #28 of the Miami Dolphins breaks up a pass intended for Dwayne Harris #17 of the Dallas Cowboys during a preseason game at Cowboys Stadium on August 29, 2012 in Arlington, Texas. (Photo by Ronald Martinez/Getty Images)

Miami Dolphins v Dallas Cowboys

ARLINGTON, TX - AUGUST 29: Ryan Tannehill #17 of the Miami Dolphins throws against the Dallas Cowboys during a preseason game at Cowboys Stadium on August 29, 2012 in Arlington, Texas. (Photo by Ronald Martinez/Getty Images)

Miami Dolphins v Dallas Cowboys

ARLINGTON, TX - AUGUST 29: Matt Moore #8 of the Miami Dolphins throws against the Dallas Cowboys during a preseason game at Cowboys Stadium on August 29, 2012 in Arlington, Texas. (Photo by Ronald Martinez/Getty Images)

Miami Dolphins v Dallas Cowboys

ARLINGTON, TX - AUGUST 29: Daniel Thomas #33 of the Miami Dolphins is tackled by Orie Lemon #58 of the Dallas Cowboys during a preseason game at Cowboys Stadium on August 29, 2012 in Arlington, Texas. (Photo by Ronald Martinez/Getty Images)

Miami Dolphins v Dallas Cowboys

ARLINGTON, TX - AUGUST 29: Daniel Thomas #33 of the Miami Dolphins is tackled by Dan Connor #52 of the Dallas Cowboys during a preseason game at Cowboys Stadium on August 29, 2012 in Arlington, Texas. (Photo by Ronald Martinez/Getty Images)

Miami Dolphins v Dallas Cowboys

ARLINGTON, TX - AUGUST 29: Teddy Williams #20 of the Dallas Cowboys breaks up a pass intended for Legedu Naanee #19 of the Miami Dolphins during a preseason game at Cowboys Stadium on August 29, 2012 in Arlington, Texas. (Photo by Ronald Martinez/Getty Images)

Miami Dolphins v Dallas Cowboys

ARLINGTON, TX - AUGUST 29: Phillip Tanner #34 of the Dallas Cowboys runs the ball past Austin Spitler #53 of the Miami Dolphins during a preseason game at Cowboys Stadium on August 29, 2012 in Arlington, Texas. (Photo by Ronald Martinez/Getty Images)

Miami Dolphins v Dallas Cowboys

RLINGTON, TX - AUGUST 29: Matt Moore #8 of the Miami Dolphins is sacked by Victor Butler #57 of the Dallas Cowboys during a preseason game at Cowboys Stadium on August 29, 2012 in Arlington, Texas. (Photo by Ronald Martinez/Getty Images)

Miami Dolphins v Dallas Cowboys

ARLINGTON, TX - AUGUST 29: Teddy Williams #20 of the Dallas Cowboys breaks up a pass intended for Legedu Naanee #19 of the Miami Dolphins during a preseason game at Cowboys Stadium on August 29, 2012 in Arlington, Texas. (Photo by Ronald Martinez/Getty Images)

Miami Dolphins v Dallas Cowboys

ARLINGTON, TX - AUGUST 29: Phillip Tanner #34 of the Dallas Cowboys runs the ball past Austin Spitler #53 of the Miami Dolphins during a preseason game at Cowboys Stadium on August 29, 2012 in Arlington, Texas. (Photo by Ronald Martinez/Getty Images)

Miami Dolphins v Dallas Cowboys

ARLINGTON, TX - AUGUST 29: The Dallas Cowboys Cheerleaders perform at Cowboys Stadium on August 29, 2012 in Arlington, Texas. (Photo by Ronald Martinez/Getty Images)