Military servicemen lead the New England Patriots onto the field before an NFL football game against the Detroit Lions during a Salute to Service activity Sunday, Nov. 23, 2014, in Foxborough, Mass. (AP Photo/Steven Senne)The U.S. Marine CorpsÕ Silent Drill Platoon performs as part of the Salute to Service during halftime of an NFL football game between the New England Patriots and the Detroit Lions Sunday, Nov. 23, 2014, in Foxborough, Mass. (AP Photo/Steven Senne)Houston Texans' J.J. Watt, right, greets members of the military before an NFL football game against the Cincinnati Bengals, Sunday, Nov. 23, 2014, in Houston. (AP Photo/David J. Phillip)DENVER, CO - NOVEMBER 23: A young girl in an Air Force sweatshirt stands under the outstretched United States flag during the singing of the National Anthem before a game between the Denver Broncos and the Miami Dolphins at Sports Authority Field at Mile High on November 23, 2014 in Denver, Colorado. (Photo by Dustin Bradford/Getty Images)Houston Texans mascot Toro rides an American Flag down from the top of NRG Stadium as a salute to the military during halftime of an NFL football game against the Cincinnati Bengals, Sunday, Nov. 23, 2014, in Houston. (AP Photo/Patric Schneider)Cincinnati Bengals players stands with members of the military during the National Anthem prior to an NFL football game against the Houston Texans, Sunday, Nov. 23, 2014, in Houston. (AP Photo/David J. Phillip)A ribbon to honor U.S. Armed Forces for their annual Salute to Service Day is worn before an NFL football game between the Houston Texans and Cincinnati Bengals, Sunday, Nov. 23, 2014, in Houston. (AP Photo/Patric Schneider)Minnesota Vikings wide receiver Cordarrelle Patterson walks past soldiers before an NFL football game against the Green Bay Packers, Sunday, Nov. 23, 2014, in Minneapolis. (AP Photo/Ann Heisenfelt)U.S. military personal perform during halftime of an NFL football game between the Miami Dolphins and the Denver Broncos as part of the NFL's Salute to Service month as seen in this fisheye lens image, Sunday, Nov. 23, 2014, in Denver. (AP Photo/Jack Dempsey)ATLANTA, GA - NOVEMBER 23: Freddie Falcon runs out on the field in a military uniform to honor the troops prior to the game against the Cleveland Browns at Georgia Dome on November 23, 2014 in Atlanta, Georgia. (Photo by Kevin C. Cox/Getty Images)Military personnel holds up a flag before the national anthem during the NFL's Salute to Service before an NFL football game between the San Francisco 49ers and the Washington Redskins in Santa Clara, Calif., Sunday, Nov. 23, 2014. (AP Photo/Ben Margot)Three World War II veterans, center, are honored during ceremonies marking the Salute to Service before the second half of an NFL football game between the Minnesota Vikings and the Green Bay Packers, Sunday, Nov. 23, 2014, in Minneapolis. (AP Photo/Jim Mone)Veterans hold flags during a Salute to Service moment before the first half of an NFL football game between the Atlanta Falcons and the Cleveland Browns, Sunday, Nov. 23, 2014, in Atlanta. (AP Photo/John Bazemore) Military veterans are recognized during halftime of an NFL football game between the Miami Dolphins and the Denver Broncos as part of the NFL's Salute to Service month, Sunday, Nov. 23, 2014, in Denver. (AP Photo/Jack Dempsey)Minnesota Vikings mascot Viktor (82) waves the flag on the field before the first half of an NFL football game against the Green Bay Packers, Sunday, Nov. 23, 2014, in Minneapolis. (AP Photo/Jim Mone)