The Ultimate Fighter 27 Finale (also known as The Ultimate Fighter: Undefeated Finale) was a mixed martial arts event produced by the Ultimate Fighting Championship that was held on July 6, 2018, at the Pearl Theatre in Paradise, Nevada, part of the Las Vegas metropolitan area. The featherweight and lightweight finals of The Ultimate Fighter: Undefeated took place at the event. A middleweight bout between Brad Tavares and Israel Adesanya headlined the event.
The Ultimate Fighter is an American reality television series and mixed martial arts (MMA) competition produced by the Ultimate Fighting Championship (UFC) and Pilgrim Media Group currently airing on ESPN+. It previously aired for fourteen seasons on Spike TV. The show features professional MMA fighters living together in Las Vegas, Nevada, and follows them as they train and compete against each other for a prized six-figure contract with the UFC. The series debuted on January 17, 2005.