Who is popular today?

Did you miss the debut of UFC 284 "Countdown" or just want to watch it again? Check out the co-main event preview now.      Related StoriesVideo: UFC 284 'Countdown' for Islam Makhachev vs. Alexander VolkanovskiSpinning Back Clique: Conor McGregor returns as 'TUF' coach, Dana White downplays Fedor, moreMarcin Tybura ready to step in for Jon Jones or Ciryl Gane at UFC 285