UFC's big issue is the lack of big money upcoming stars on the horizon

With it appearing like every main event for the first half of 2018 is announced, the talk of a UFC rebound on pay-per-view rests on the second half of the year. After a year that was really only saved by UFC's cut of the Floyd Mayweather vs. Conor McGregor windfall, this year is now dependent on several things that are all uncertain.