A Tennessee Titans cheerleader poses for a photo during a visit from the 101st Airborne Division at practice on Tuesday, August 21, 2012 in Nashville, TN. (Donn Jones Photography.com)

Tennessee Titans head coach Mike Munchak signs autographs for members of the 101st Airborne Division during practice on Tuesday, August 21, 2012 in Nashville, TN. (Donn Jones Photography.com)

Tennessee Titans running back Chris Johnson poses for a photo with members of the 101st Airborne Division during practice on Tuesday, August 21, 2012 in Nashville, TN. (Donn Jones Photography.com)

Tennessee Titans head coach Mike Munchak, center, speaks with members of the 101st Airborne Division during practice on Tuesday, August 21, 2012 in Nashville, TN. (Donn Jones Photography.com)

Members of the 101st Airborne Division look on as the Tennessee Titans practice on Tuesday, August 21, 2012 in Nashville, TN. (Donn Jones Photography.com)

Tennessee Titans running back Collin Mooney greets members of the 101st Airborne Division during practice on Tuesday, August 21, 2012 in Nashville, TN. (Donn Jones Photography.com)

Indianapolis Colts wide receiver Reggie Wayne, center, escorted by members of the 38th Aviation Brigade Recruiting Command in Humvees, as players arrive at the NFL team's football training camp in Anderson, Ind., Saturday, July 28, 2012. Practice begins Sunday. (AP Photo/Michael Conroy)

Members of the United States military line the sidelines as they watch the Philadelphia Eagles practice during NFL football training camp at Lehigh University in Bethlehem, Pa., Wednesday, Aug. 1, 2012. (AP Photo/Rich Schultz)

Philadelphia Eagles wide receiver Chad Hall does touch-up work with clippers after he had his head shaved by members of the United States military to get his teammates to pledge money for the Wounded Warrior Project after NFL football training camp at Lehigh University in Bethlehem, Pa., Thursday, Aug. 1, 2012. (AP Photo/Rich Schultz)

Philadelphia Eagles wide receiver Chad Hall, right, has his head shaved by a member of the military to get his teammates to pledge money to the Wounded Warrior Project, after the team's NFL football training camp at Lehigh University in Bethlehem, Pa, Wednesday, Aug. 1, 2012. (AP Photo/Rich Schultz)

Indianapolis Colts wide receiver Reggie Wayne, center, escorted by members of the 38th Aviation Brigade Recruiting Command, "reports for duty" as players arrive at the NFL team's football training camp in Anderson, Ind., Saturday, July 28, 2012. Practice begins Sunday. (AP Photo/Michael Conroy)