Roy "Big Country" Nelson sits down to talk with Megan Olivi about his upcoming opponent, Alistair Overeem, his training, and what he does outside of the Octagon. Watch Nelson take on Overeem during the main card at UFC 185 in Dallas, Texas.

Check out some of the best moments in the career of UFC lightweight champion Anthony Pettis, narrated by UFC commentators Joe Rogan and Mike Goldberg.

UFC welterweight contender Matt Brown talks about what motivates him to perform at a high level in the Octagon. Brown battles former welterweight champion Johny Hendricks at UFC 185 in Dallas, TX.

Check out all the highlights from the UFC 185 Open Workouts and hear interview from UFC Correspondent Megan Olivi with Anthony Pettis, Rafael dos Anjos, Carla Esparza, Joanna Jedrzejczyk, and Johny Hendricks.

The Gracie brothers breakdown and analyze Anthony "Showtime" Pettis' submission victory over Benson Henderson that won him the lightweight belt. Watch Pettis try to defend his title against Rafael dos Anjos in the main event at UFC 185 in Dallas.

UFC welterweight Matt Brown talks about his father's influence, his family and how fighting helped him grow from a boy to a man. Watch Brown take on former champ Johny Hendricks at UFC 185.

UFC light heavyweight and Poland fighter Jan Blachowicz talks about the historic first trip to Poland for the UFC. Blachowicz is taking on Jimi Manuwa in the co-main event of Fight Night Krakow.

UFC lightweight champion Anthony Pettis opens up about his difficult personal life and the impact that Duke Roufus has had on his career.

UFC lightweight Rafael dos Anjos and his wife Cristiane talk about how they met and what a big part his family plays in his fighting career.

Two UFC titles will be on the line at UFC 185 when lightweight champion Anthony Pettis battles top contender Rafael dos Anjos and newly-minted strawweight champion Carla Esparza faces Joanna Jedrzejczyk.