FILE - Fans cheer at Arrowhead Stadium during the first half of an NFL football game between the Kansas City Chiefs and the Detroit Lions, Sept. 7, 202, in Kansas City, Mo. The Chiefs have set a deadline of six months from now to decide on a plan for the future of Arrowhead Stadium, whether that means renovating their iconic home or building an entirely new stadium in Kansas or Missouri. (AP Photo/Reed Hoffmann. File)
FILE - Kansas City Chiefs fans gather outside Arrowhead Stadium before a NFL football game against the Oakland Raiders Sunday, Sept. 20, 2009 in Kansas City, Mo. The Chiefs have set a deadline of six months from now to decide on a plan for the future of Arrowhead Stadium, whether that means renovating their iconic home or building an entirely new stadium in Kansas or Missouri. (AP Photo/Ed Zurga, File)