Flyweight champ Demetrious "Mighty Mouse" Johnson takes on the next challenger to his throne, Chris "Kamikaze" Cariaso. Johnson looks to defend his title against Kyoji Horiguchi in the main event at UFC 186 in Montreal.

Stars from UFC 178, including the ever-quotable Conor McGregor, flyweight champ Demetrious Johnson, and many more answer questions from the media before taking the Octagon on Saturday! Catch UFC 178, live from the MGM Grand, this Saturday on Pay-Per-View!

Flyweight contender Chris "Kamikaze" Cariaso looks to bounce back from a pair of losses and earn a victory inside the Octagon as he goes up against Iliarde Santos. See Cariaso take on flyweight champ Demetrious Johnson in the main event at UFC 178.

Demetrious Johnson, the most active champion on the UFC roster, prepares for his sixth title fight in two years against hard-hitting Arizonan Chris Cariaso.

Watch 3 free prelims live from Brazil on Saturday at 4:30/1:30pm ET/PT - Lineker vs Gashimov, Formiga vs Cariaso, and Martins vs Larsen

UFC® 138 Prelim Fight: Vaughan Lee vs. Chris Cariaso

See the full UFC 138 weigh-in that took place Friday, November 4 in Birmingham, England.

From bantamweights to heavyweights, English fighters are ready to test their skills inside the Octagon against UFC vets. Watch live Saturday!

UFC® 130 Prelim Fight: Michael McDonald vs. Chris Cariaso

The men of UFC 130 hit the scales at MGM Grand to kick off Memorial Day weekend.

UFC 130 will kick off with three great fights from WEC vets, buzzy newcomers and powerhouse Brazilians. Meet them all before you watch Barao vs. Escovedo, Mayday vs. Kamikaze and Tibau vs. Oliveira.