UFC 191. He lost the back-and-forth fight via unanimous decision, although some, including UFC president Dana White, scored the fight in his favor. 12 of 15 media outlets, however, scored the bout in favor of Arlovski. Mir faced Mark Hunt on March 20, 2016, at UFC Fight Night 85 in Brisbane, Australia. He lost the fight via KO in the first round. On April 7, 2016, Mir was notified by the U.S. Anti-Doping Agency (USADA) that the sample he submitted the day of the fight tested positive for oral turinabol metabolites. In a statement, Mir responded, "I don't know how that is possible as I do not take any performance enhancing drugs (PEDs)." He was nonetheless suspended for two years. Speaking in early 2017 Frank Mir opened up to a radio show about retirement rumors indicating he was still interested in actively competing, and a potential comeback. Mir indicated interest in a third Brock Lesnar fight. On July 8, 2017, Mir announced that he had been granted his release from the UFC after nearly 16 years with the promotion, despite having six fights left on his contract. Bellator MMA On August 16, 2017, it was announced that Mir had signed a multi-fight deal with Bellator MMA. In his debut fight for the promotion, Mir faced Fedor Emelianenko at Bellator 198 on April 28, 2018. The bout was part of the opening round of the Bellator Heavyweight Tournament. He lost the fight via TKO in round one. In his second fight for the promotion, Mir faced Javy Ayala at Bellator 212 on December 14, 2018. Mir successfully won the first round by taking Ayala down and controlling him on the ground. However, Ayala rallied in the second round and Mir eventually lost by TKO after tapping to punches that caused an alveolar ridge fracture. Mir faced Roy Nelson in a rematch of their 2011 UFC bout on October 25, 2019, in the main event of Bellator 231. He won via unanimous decision. On April 1, 2020, Mir's contract with Bellator expired, making him a free agent. Professional wrestling In January 2019, Josh Barnett announced via Twitter that Mir would be making his professional wrestling debut for Game Changer Wrestling's Bloodsport event, an independent wrestling event that features worked matches presented in an MMA style. Mir's debut coincided with WrestleMania 35 weekend on Thursday, April 4. On March 17, it was announced