Briones started playing hockey in high school and spent a total of 14 years in the sport. Compared to most of the mixed martial arts fighters, Briones started combat sport much later in life. He started training MMA when he joined ENTRAM gym at the age of 26.
Briones fought primary in the Mexico circuit and amassed a record of 15-4–1 prior joined UFC.
The Ultimate Fighter
He was a participant in, an installment of the Ultimate Fighting Championship produced reality TV series "The Ultimate Fighter" on May 2014. He faced Marlon Vera on quarter-final round and lost the fight, failing to be selected as one of the contestants of the show.
Ultimate Fighting Championship
Briones made his promotional debut on November 15, 2014, at UFC 180 in Mexico City against Guido Cannetti. He won the fight via rear-nake choke in round two. He next faced Cody Garbrandt on July 11, 2015 at UFC 189. He lost the fight via unanimous decision. Briones was scheduled to faced Brad Pickett on February 27, 016 at, but he pulled out from the fight, citing injury, and was replaced by Francisco Rivera. The match was rescheduled to six months later on September 3, 2016 and the bout was removed where Briones for undisclosed reasons and was replaced by Iuri Alcântara. On November 5, 2016, Brinoes took on Douglas Silva de Andrade at. A spinning back fist from Silva de Andrade sent Briones to the ground and he lost the fight on round 3. The bout between Briones and Brad Pickett was rescheduled for the third time on March 18, 2017 at, and yet again the bout was cancelled due to Briones withdrew from the fight one week before the event and was replaced by Marlon Vera. Briones faced Rani Yahya on August 5, 2017 at. He lost the fight via a kimura submission in the first round. Briones faced Frankie Saenz on May 19, 2018 at UFC Fight Night 129. He lost the fight by unanimous decision. On November 5, 2019 it was announced that Briones had been released from the UFC following four straight losses in the promotion.
Briones' moniker "Bure" was coined by hockey fans where they saw the similarity between Briones and the Russian ice hockey player, Pavel Bure, during his high school years when Brones played hockey league in Mexico. Briones decided to keep the nickname given by fans to honour them where he spent 14 years of his life in the sport. Briones worked in a law firm during the weekdays and worked as a bar tender during the weekends prior fight professionally.
