UFC 116: Lesnar vs. Carwin was a mixed martial arts event held by the Ultimate Fighting Championship on July 3, 2010 at the MGM Grand Garden Arena in Las Vegas, Nevada, United States. The show was voted as the Best Major Show in the 2010 Wrestling Observer Newsletter Awards, the first time a UFC show had ever won the award.

Shane Carwin, who won the Interim Heavyweight Championship by defeating Frank Mir at UFC 111, faced current heavyweight champion Brock Lesnar. The two were originally set to face each other at UFC 106, then UFC 108, before Carwin won the interim heavyweight championship, but Lesnar pulled out of the fight both times due to an illness (diverticulitis) that kept him from training.

Cheick Kongo was scheduled to face Roy Nelson, but a back injury sidelined Kongo. Nelson fought Junior dos Santos at UFC 117.

Alessio Sakara was set to fight Nate Marquardt, but Sakara pulled out of the bout after the death of his father.

Jacob Volkmann was scheduled to fight Paul Kelly as one of the preliminary fights, but Kelly reportedly had to pull out of the July 3 fight due to visa issues. The bout was rescheduled for UFC Live: Jones vs. Matyushenko the next month, where Volkmann won by unanimous decision.

James William "Jim" Ross (born January 3, 1952) is a professional wrestling commentator, referee, restaurateur, occasional wrestler, and former company executive of WWE, where he currently works as a talent relations consultant and on WWE NXT as a Play-by-Play announcer. Ross was inducted into the WWE Hall of Fame in 2007 and is widely regarded as one of the greatest commentators in wrestling history. He is known affectionately by wrestling fans as Good Ol' JR. In recent years, he has developed his own brand of barbecue sauces and cookbooks.

While attending Westville High School, Ross was the first baseman on the Westville baseball team. Ross was a two-time all-conference football player for the Westville Yellowjackets in 1968–69. His maternal grandparents owned a general store in Westville, Oklahoma and his paternal grandfather Dee Ross owned an off-sale beer store and was a carpenter. Ross was also President of the Student Body, a 4 year letterman in basketball, and State Vice President of the Future Farmers of America where he was State Speech Champion in 1968. Ross was also named Honorable Mention on the 1969 High School All State Football team by the Tulsa World as a center.

Paul Heyman (born September 11, 1965) is an American entertainment producer, best known for his career in professional wrestling as a promoter, manager, commentator and journalist. He is also an occasional actor in film. He is currently signed to WWE appearing on its WWE Raw brand under his ring name Paul Heyman.

Heyman was the creative force behind Extreme Championship Wrestling in the 1990s. He has also briefly worked in World Championship Wrestling, the American Wrestling Association and World Wrestling Entertainment, including WWE's ECW brand where he was recognized as the ECW Representative.

Paul Heyman was born in Scarsdale, New York. By age 11, he was running a mail order business selling celebrity and sports memorabilia from his home.

While still a teenager, Heyman fast-talked his way backstage at a World Wide Wrestling Federation event at Madison Square Garden as a photojournalist. He was paid by the company for several of his photographs.

Heyman attended Westchester Community College, where he worked at the radio station, and later became a promoter for the New York City nightclub Studio 54 in the mid 1980s.

Brock Edward Lesnar (/ˈlɛznər/; born July 12, 1977) is an American professional wrestler, actor, former mixed martial artist and amateur wrestler, signed with WWE and appearing on its Raw brand. He is also a former UFC Heavyweight Champion and former #1 ranked mixed martial arts (MMA) Heavyweight by Sherdog; he was ranked #5 before he announced his retirement at the end of 2011. Lesnar is an accomplished amateur wrestler, winning the 2000 NCAA heavyweight wrestling championship and placing second in 1999, losing in the finals to 1999 world freestyle wrestling champion and future New England Patriots offensive lineman Stephen Neal.

He gained prominence in World Wrestling Entertainment (WWE) from 2002 to 2004, where he is a former three-time WWE Champion, becoming the youngest WWE Champion at age 25 with his first reign. Lesnar was the 2002 King of the Ring and the winner of the 2003 Royal Rumble. After leaving WWE, Lesnar pursued a career in the NFL. He played during the preseason for the Minnesota Vikings, but ended up being a late cut. Lesnar returned to professional wrestling at the end of 2005, and joined New Japan Pro Wrestling (NJPW), where he won the IWGP Heavyweight Championship in his first match. He was officially stripped of the title by NJPW in July 2006, and took the physical belt with him to Inoki Genome Federation (IGF), where he was still recognized as IWGP Champion until June 2007.

Shane Bannister Carwin (born January 4, 1975) is an American mixed martial artist who competes in the heavyweight division of the Ultimate Fighting Championship (UFC), where he was previously the UFC Interim Heavyweight Champion. He won his first 12 MMA fights in the first round which led to his Heavyweight Championship shot at UFC 116 against then-champion Brock Lesnar, which became his first career loss. As of March 21, 2011, he was ranked as the #5 heavyweight fighter in the world by Sherdog and was ranked as the #8 heavyweight fighter in the world by MMAWeekly as of August 2011.

Carwin and his two brothers were raised by his mother, who had the goal of getting all her sons college educations. He received a bachelor's degree in Mechanical Engineering from the Colorado School of Mines as well as a bachelor's degree in Environmental Technology from Western State College.

Carwin wrestled in college, becoming a two-time NCAA Division II Wrestling National Runner-Up Heavyweight in 1996–97 and the NCAA II Wrestling Heavyweight National Champion in 1999. He was also a two-time All-American in football for Western State and was chosen to participate in the Senior Bowl.