Countdown to UFC 251 (VIDEO)

Ultimate Fighting Championship (UFC) welterweight champion Kamaru Usman will defend his title against late replacement Jorge Masvidal in the upcoming UFC 251 main event.

The promotion today released its “Countdown” video special for UFC 251 which also features the featherweight rematch pitting 145-pound kingpin Alexander Volkanovski against former champion Max Holloway, while Petr Yan and Jose Aldo collide for the vacant 135-pound strap.