One of the most important factors is motivation. Music by Snowgoons: www.facebook.com

Watch the UFC 141 pre-fight press conference with Dana White, Brock Lesnar, Alistair Overeem, Nate Diaz and Donald Cerrone.

Former heavyweight champion Brock Lesnar speaks candidly about his greatest victories, training to win, and regaining the UFC® heavyweight title.

See the two giant headliners of UFC 141: Lesnar vs. Overeem weigh in.

Former STRIKEFORCE® heavyweight champ Alistair Overeem gives you a behind-the-scenes look into his life as he prepares to make his Octagon™ debut at UFC® 141.

Two very big men with very heavy hands will meet at UFC® 141, as former heavyweight champ Brock Lesnar welcomes former STRIKEFORCE® champ Alistair Overeem into the Octagon™. Watch Part 1 of Countdown to UFC® 141 now!

“His weaknesses are my strengths” – hear what former Strikeforce heavyweight champion Alistair Overeem is bringing to the Octagon against Brock Lesnar.

Brock Lesnar prepares to return to the Octagon and defend his cage when he welcomes Alistair Overeem to the UFC.

A bitter rivalry finally comes to the Octagon as Diego Nunes faces Manny Gamburyan at UFC® 141. Nunes comes prepared: he has a powerful training ally in Featherweight Champion Jose Aldo. Will “The Gun” have enough ammo to annihilate the “The Anvil”? Nunes promises no less than a knockout. Facebook streams start at 7:15PM/4:15PM ET/PT on Friday, December 30th for UFC® 141: Lesnar vs Overeem, live from the MGM Grand Garden Arena in Las Vegas. New day, new Pay-Per-View start time: 10PM/7PM ET/PT.

It’s “the perfect matchup” as power wrestler Brock Lesnar faces unbelievable striker Alistair Overeem. Plus, two lightweights whose hearts beat bad blood meet in Nate Diaz vs. Donald Cerrone.