The Vegas Golden Knights play their home games at an arena that was a joint venture between MGM Resorts International and what company?
Vegas Golden Knights:  The team is owned by Black Knight Sports & Entertainment, a consortium led by Bill Foley, and plays its home games at T-Mobile Arena on the Las Vegas Strip in Paradise, Nevada. T-Mobile Arena:  Opened on April 6, 2016, the arena is a joint venture between MGM Resorts International and the Anschutz Entertainment Group.
Anschutz Entertainment Group