The Ultimate Fighting Championship made its debut on Versus, the regular home of sister-promotion World Extreme Cagefighting, on Sunday March 21st. The commentators were Mike Goldberg and Joe Rogan and the ring announcer was Bruce Buffer.
Alessio Sakara vs. James Irvin: In the first bout of the evening, two former light heavyweights fought in a middleweight clash. Alessio Sakara defeated James Irvin via TKO due to a cut from a punch at 3:01 of Round One.
Paul Buentello vs. Cheick Kongo: Two fighters coming off losses collided in this heavyweight division matchup. Cheick Kongo defeated Paul Buentello via TKO due to strikes at 1:16 of Round Three.
Junior dos Santos vs. Gabriel Gonzaga: Two of the hardest hitting fighters in the Heavyweight division fought in the semi-main event of UFC on Versus 1. Junior dos Santos defeated Gabriel Gonzaga via KO due to strikes at 3:53 of Round One.
Brandon Vera vs. Jon Jones: In the main event of the evening two elite light heavyweights coming off controversial losses collided. Jon Jones defeated Brandon Vera via TKO due to an injury at 3:19 of Round One.