Also, this article references the 12th man. Also, Arrowhead stadium has 76,000 capacity.
CHALLENGE ACCEPTED. Gig 'em, Aggies!
http://www.sportingnews.com/nfl/story/2014-09-29/monday-night-football-kansas-city-chiefs-new-england-patriots-guinness-world-record-loudest-stadium
CHALLENGE ACCEPTED. Gig 'em, Aggies!
http://www.sportingnews.com/nfl/story/2014-09-29/monday-night-football-kansas-city-chiefs-new-england-patriots-guinness-world-record-loudest-stadium