UFC 113: Machida vs. Shogun 2 was a mixed martial arts event held by the Ultimate Fighting Championship on May 8, 2010 at the Bell Centre in Montreal, Quebec, Canada.
UFC 113 featured the rematch between Lyoto Machida and Mauricio Rua for the UFC Light Heavyweight Championship. The two first met at UFC 104, where Lyoto Machida retained his belt in a controversial unanimous decision victory.
Tim Credeur was scheduled to face Tom Lawlor, but was forced from the card with an injury and replaced by Joe Doerksen.
Joey Beltran was set to fight Chad Corvin, however after Corvin's paperwork was not approved by the Quebec Athletic Commission, Beltran ended up fighting Tim Hague.
Nick Catone was forced out of his bout with John Salter due to a back injury. UFC veteran David Loiseau was supposed to step in as his replacement, but Loiseau was denied a license to appear on this card due to alleged ties to organized crime. Salter ended up fighting returning UFC fighter Jason MacDonald. Loiseau would still make his return to the UFC having faced Mario Miranda at UFC 115.
According to UFC President Dana White, the winner of the Josh Koscheck-Paul Daley fight will receive a title shot at Georges St. Pierre for the UFC Welterweight Championship and be the opposing coach to St. Pierre in the upcoming twelfth season of the UFC reality TV show, The Ultimate Fighter.