[Kansas City.com] The Chiefs said today about 3,500 tickets still remain for Sunday’s game against the Buffalo Bills, and if they are not sold by noon Thursday, the telecast will be blacked out in the Kansas City area.

The club could ask the league for a 24-hour extension if they get close to a sellout by Thursday’s deadline, which is 72 hours in advance of kickoff.

If the telecast is blacked out, it would end a string of 155 consecutive sellouts by the Chiefs, including post-season games, dating to 1991.