The event was headlined by a featherweight bout between
Conor McGregor and
Dennis Siver. It was announced that a victory over Siver will ensure McGregor of a shot at the
UFC Featherweight Championship in his next fight.
Jorge Masvidal was expected to face
Norman Parke at the event. However, in early December, Masvidal pulled out of the bout citing an injury and was replaced by
Gleison Tibau.
Paul Felder was expected to face
Johnny Case at the event. However, Felder elected to fight as a replacement against
Danny Castillo at
UFC 182. He was replaced by
Francisco Treviño. On December 23, it was announced that Treviño had to pull out of the bout due to an injury and was replaced by promotional newcomer
Frankie Perez.
Costas Philippou was expected to face
Uriah Hall at the event. However, Philippou was forced out of the bout due to injury. He was replaced by
Strikeforce veteran
Louis Taylor. On January 11, it was announced that Taylor pulled out of the fight due to a
pulled muscle in his back and had his contract terminated as a result. Hall faced promotional newcomer
Ron Stallings.
Eddie Alvarez was expected to face former
WEC &
UFC Lightweight champion Benson Henderson at the co-main event. However, Alvarez was forced out of the bout due to illness. He was replaced by
Donald Cerrone, whom Henderson fought twice before (at
WEC 43 and
WEC 48) and won both fights. ==Results==