Gleison Tibau won in front of a rabid home country crowd, submitting John Cholish at UFC on FX 8.

The UFC may be on the hunt for a new headliner when they head to Winnipeg, as interim bantamweight champ Renan Barao has reportedly injured a foot, necessitating a withdrawal from the event.

Keep up with the UFC on FX 8 undercard live blog for the early action from UFC on FX 8 in Brazil.

What stakes do Saturday's main card UFC on FX 8 competitors face? We explore the risks, opportunities and what lies ahead.

Former lightweight title contender Nate Diaz is out $20,000 and suspended for three months due to usage of a gay slur apparently directed at fellow fighter Bryan Caraway.

Mark Hunt may not have his visa yet, but the Nevada State Athletic Commission granted both him and potential replacement Roy Nelson licenses to fight at UFC 160 next weekend.

Vitor Belfort shoved Luke Rockhold hard in the aftermath of Friday's weigh-ins in Santa Catarina, Brazil for their scheduled fight on Saturday night, and then claimed Rockhold was scared.

Bellator's Michelle Ould became the latest fighter to take a jab at Bryan Caraway on Thursday, but the UFC bantamweight denied her allegation. He also regrets his strong anti-marijuana stance.

Former UFC fighter, Paul Kelly, who was released in 2011, was arrested in 2012 and convicted on Friday for his role in a heroin ring.