Kansas City Chiefs players stand arm in arm during a moment of silence for victims of violence before an NFL football game against the Carolina Panthers at Arrowhead Stadium in Kansas City, Mo., on Sunday, Dec. 2, 2012. (AP Photo/Colin E. Braley)

Photo by: Colin E. Braley

Kansas City Chiefs players stand arm in arm during a moment of silence for victims of violence before an NFL football game against the Carolina Panthers at Arrowhead Stadium in Kansas City, Mo., on Sunday, Dec. 2, 2012. (AP Photo/Colin E. Braley)