Dallas Cowboys head coach Jason Garrett speaks to reporters during an NFL football media availability at Valley Ranch Wednesday, Feb. 13, 2013, in Irving, Texas. (AP Photo/LM Otero)

Dallas Cowboys head coach Jason Garrett speaks to reporters during an NFL football media availability at Valley Ranch Wednesday, Feb. 13, 2013, in Irving, Texas. (AP Photo/LM Otero)

Dallas Cowboys head coach Jason Garrett speaks to reporters during an NFL football media availability at Valley Ranch Wednesday, Feb. 13, 2013, in Irving, Texas. (AP Photo/LM Otero)

Dallas Cowboys coach Jason Garrett arrives to speak to reporters during an availability at the NFL football team's facility Wednesday, Feb. 13, 2013, in Irving, Texas. (AP Photo/LM Otero)

Dallas Cowboys coach Jason Garrett arrives to speak to reporters during an availability at the NFL football team's facility Wednesday, Feb. 13, 2013, in Irving, Texas. (AP Photo/LM Otero)

Dallas Cowboys coach Jason Garrett speaks to reporters during a media availability at the NFL football team's facility Wednesday, Feb. 13, 2013, in Irving, Texas. (AP Photo/LM Otero)