Frost Bank Center is a multipurpose sports and event venue with a documented history of combat-sports use. Depending on the organizer and event format, it has been used for professional fight cards, amateur competitions, grappling tournaments, weigh-ins, press events or related programming. The venue has also been known as AT&T Center. Its competition layout, spectator seating and operational setup can vary by event. The venue is relevant to the history of the promotions, federations, athletes and combat-sports events staged there.