Both the UFC and Al Haymon's headquarters are located in Las Vegas and are very deeply connected with the casino powers as the proposed event would take there. Dana comes from a boxing background and he and Haymon did a widely successful partnership in the Mayweather vs McGregor fight plus White has access to Zuffa's huge profits from the recent sale of the UFC of which he himself earned $400 million. Dana wants to develop a Zuffa Boxing arm of the company and has expressed an interest in Anthony Joshua . . . I could go on and on why I think its likely.