Las Vegas sports betting venues are hosting events for the Men’s and Women's NCAA basketball Tournaments, which kick into high gear during the opening weekend of the tournaments. The American Gaming Association estimates that Americans nationwide will legally wager $3.3 billion on both the men's and women's tournaments this year. The Cosmopolitan will host the "Hoops and Hops" party at the Cosmopolitan, featuring stadium-style projection screens and arcade games. The Fontainebleau will open its BleauLive Theater for the first weekend, with an 80-foot LED screen and betting stations. The Linq Promenade will host “Hoops Madness” March 26 and 27, with prices varying depending on the weekend.