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.

The welterweight winner of The Ultimate Fighter 4, Matt Serra, was also scheduled to challenge the welterweight champion Georges St.-Pierre. However, St.-Pierre injured a knee during training and the bout was postponed.

Two former PRIDE stars made their debuts in the UFC at this event. 2006 PRIDE Open-Weight Grand Prix Champion Mirko Filipović made his debut in the United States and in the UFC at UFC 67 against Eddie Sanchez.

Dana White (born July 28, 1969) is the current President of the Ultimate Fighting Championship (UFC), a mixed martial arts organization based in the United States.

Born in Manchester, Connecticut on July 28, 1969, White grew up in Las Vegas, Nevada, Ware, Massachusetts and Levant, Maine. White is a passionate Boston Red Sox fan. During his youth, he bounced back and forth between Boston and Maine. He attended the University of Massachusetts Boston but did not finish; however, while there he did launch a boxing program for inner-city youth.

White has a background as an aerobics instructor. In 1992, White established Dana White Enterprises in Las Vegas. He conducted aerobics classes at three gyms in the Las Vegas area and began managing MMA fighters Tito Ortiz and Chuck Liddell.

While working as a manager, White learned that Semaphore Entertainment Group, the parent company of the UFC, was looking for a buyer for the UFC. White contacted childhood friend Lorenzo Fertitta, an executive at Station Casinos, and a former commissioner of the Nevada State Athletic Commission. Within a month, Lorenzo and his older brother Frank bought the UFC, with White installed as its president. White currently owns about 9% of Zuffa, LLC, the entity the Fertitta brothers created to own and manage the UFC.

Eduardo Arturo Sanchez (born November 4, 1982) is an American mixed martial arts (MMA) fighter.

On February 3, 2007 at the Ultimate Fighting Championship's UFC 67, he lost to Mirko "Cro Cop" Filipović by technical knockout (TKO) due to punches at 4:33 of the first round, in Filipović's debut fight in the UFC. Average betting for this fight was around -1200 for "Cro Cop" and +800 for Eddie Sanchez, the biggest gap for underdog/favorite in UFC history.

Sanchez defeated Irish heavyweight Colin Robinson by TKO at UFC 72.

At UFC 79, held on December 29, 2007, Sanchez defeated Soa Palalei via TKO (strikes). Sanchez went on to lose to Antoni Hardonk at UFC 85 in London on June 7, 2008. Sanchez took the Hardonk fight on short notice, as a late replacement for Neil Wain. Sanchez was noticeably out of shape at the weigh in, but despite this, he knocked Hardonk down twice, once in the first round and once in the second, before succumbing to strikes at 4:15 in the second round.

Sanchez debuted for Bellator at Bellator 7, recording a ten second knock out.

Frank James Edgar (born October 16, 1981) is an American mixed martial artist, who competes as a lightweight in the Ultimate Fighting Championship and is a former UFC Lightweight Champion. His first career loss came against Gray Maynard in 2008, which marked the beginning of a noted rivalry. He later avenged the loss to Maynard with a KO victory in 2011. As of March 2012, he is ranked as the #2 lightweight in the world by Sherdog.com.

Born and raised in Toms River, New Jersey, Frankie Edgar wrestled at Toms River High School East, making it to the New Jersey state championship tournament on three occasions, placing second as a junior and fifth as a senior. Edgar is the oldest of 3 children, Edgar went on to compete in the NHSCA Senior Nationals and placed second before he finished high school. He continued wrestling at Clarion University of Pennsylvania, where he qualified for the nationals all four years there. Edgar is also an assistant coach for the Rutgers University wrestling team.

Edgar entered his first mixed martial arts fight with only a few weeks of training outside of his wrestling background. Edgar originally trained with Rob Guarino of Rhino Fight Team, but today he is part of the Gracie system under Ricardo Almeida in Hamilton, NJ. Since seventh grade Edgar has wrestled with Steve Rivera at Elite Wrestling NJ in Jackson, NJ. His boxing trainer is Mark Henry of Millstone, NJ.

Tyson Lee Griffin (born April 20, 1984) is an American mixed martial artist from Albany, California. Griffin currently fights as a Featherweight in the Ultimate Fighting Championship (UFC).

Griffin was a standout wrestler at Albany High School and moved on to wrestle at Skyline Junior College before dropping out. He began training at David Terrell's NorCal Fighting Alliance and the Cesar Gracie Academy. During his first mixed martial arts training session, Terrell cut two gashes over Griffin's left eye, requiring stitches. Griffin states that he committed himself to a career in MMA while in the hospital waiting room. His mother supported him during his first year of training, but after his professional debut he had to get side jobs to support himself through his early career.

Tyson Griffin began his professional career in 2004 in the Gladiator Challenge promotion. In his third bout, he dropped to featherweight to earn a TKO victory over future World Extreme Cagefighting featherweight champion Urijah Faber, which stood as Faber's only defeat for over three years. Griffin went on to win all of his first six fights before facing Duane Ludwig at Strikeforce: Revenge. He won the bout by TKO in the first round, attracting the attention of major promotions. After considering offers from Pride Fighting Championship and the UFC, Griffin signed with the UFC so that he could continue to fight stateside. While cornering for David Terrel at UFC 59 in Las Vegas, Griffin had an opportunity to meet members of the Xtreme Couture camp for the first time.