Doug Linton of Westminster, Colo., cooks chicken on the grill while tailgating outside Sports Authority Field at Mile High Stadium before an NFL football game between the San Diego Chargers and Denver Broncos, Sunday, Oct. 9, 2011, in Denver. (AP Photo/Jack Dempsey)

An American flag is displayed on the field during a fly over during an NFL football game between the Denver Broncos and the San Diego Chargers Sunday, Oct. 9, 2011, in Denver. (AP Photo/Jack Dempsey)

The Denver Broncos kick off to the San Diego Chargers during an NFL football game Sunday, Oct. 9, 2011, in Denver. (AP Photo/Jack Dempsey)

An American flag is displayed on the field during an NFL football game between the Denver Broncos and the San Diego Chargers Sunday, Oct. 9, 2011, in Denver. (AP Photo/Jack Dempsey)