‘UFC 273 countdown’ video


Watch ‘UFC 273 countdown’ video for a close look at both title fights and a match between Khamzat Chimiev and Gilbert Burns before Saturday’s show.

In the main event, UFC featherweight champion Alexander Volkanovski will defend his title against Chan Sung Jung. In a title unification bout, UFC bantamweight champion Aljamain Sterling will face UFC interim bantamweight champ Petr Yan.