UFC 67: All or Nothing was a mixed martial arts event held by Ultimate Fighting Championship. The event was held Saturday, February 3, 2007 at the Mandalay Bay Events Center on the Las Vegas Strip in Nevada. It was also the first UFC pay-per-view broadcast in High-Definition. This event was the first UFC pay-per-view event since UFC 60 to have no championship bouts on the card. In the main event, the middleweight winner of The Ultimate Fighter 4, Travis Lutter was scheduled to challenge middleweight champion Anderson Silva for the middleweight title, however he was not able to make weight and the fight was changed to a non-title contest.