The Kansas City Chiefs now play in the worlds loudest open air stadium. “In the fourth quarter, as the Chiefs fans were celebrating their victory, all of the sudden it peaked at 137.5 decibels,” Philip Robertson, the Guinness World Record adjudicator noted. “They screamed for an incredibly long time, probably longer than what I heard in Seattle.-KCChiefs.com The noise certainly played a big role in the Chiefs victory, as Raiders QB Terrelle Pryor had trouble calling out protections, leading to 10 sacks and several delay of game penalties. Need NFL Tickets? Loading... ZergNet The post Arrowhead Stadium breaks record appeared first on Pro Football Zone.