The crowd was historically loud during the Chiefs victory over the New England Patriots, breaking the world record for crowd noise.

Fans at Arrowhead Stadium break the Guiness world record for loudest outdoor open air stadium as the noise hits 137.5 decibels during the Kansas City Chiefs Week 6 game against the Oakland Raiders.

Less than a month after Seattle's "12th Man" made history at CenturyLink Field, fans of the undefeated Kansas City Chiefs plan to steal the torch. A representative from the Guinness Book of World ...

Seattle Seahawks fans have a record to reclaim, and science offers a few clues about how to do it. The Kansas City Chiefs took the Guinness World Records title for loudest crowd roar at a sports ...