opponent from Russia. Cro Cop eventually faced Oleksiy Oliynyk, who replaced Emelianenko, on 8 November 2013 at Legends 2 in Moscow. He lost the fight by submission in the first round. On 23 August 2014, Cro Cop defeated former 2008 Olympic judo gold medalist Satoshi Ishii via TKO (doctor stoppage) at an Inoki Genome Federation (IGF) event in Japan to win the IGF Championship. Cro Cop was expected to fight Satoshi Ishii in a rematch on 31 December 2014 for the IGF Championship. However, the rematch was canceled due to a rib injury sustained by Ishii. Cro Cop stayed on the card and a new match up was being sought for a brief period. On 1 December, it was reported that Ishii would be able to heal up in time to take the fight, and the rematch was official once again. Cro Cop defeated Ishii via TKO, landing a head kick and follow up punches just as the second round was coming to a close. Ishii was unable to make it to his corner under his own power, forcing the referee to call an end to the fight. Following his return to UFC, Cro Cop was stripped of the IGF Championship on 23 January 2015. Retirement from kickboxing and third stint in the UFC On 20 January 2015, Bloody Elbow reported that Cro Cop had re-signed with the UFC. Days earlier, Bellator MMA CEO Scott Coker had expressed interest in signing the IGF champion. This would mark the fighter's third stint with the promotion. A rematch with Gabriel Gonzaga took place on 11 April 2015 at UFC Fight Night 64. After losing the first two rounds, Cro Cop landed an elbow in the clinch which rocked Gonzaga and finished the fight via TKO after landing multiple elbows and punches on the ground. The bout earned both men Fight of the Night bonus honors. Second retirement from MMA and anti-doping violation Cro Cop was expected to face Anthony Hamilton on 28 November 2015 at UFC Fight Night 79. However, on 10 November, it was announced that Cro Cop had pulled out of the fight and abruptly announced his retirement. Subsequently, on 11 November 2015, the U.S. Anti-Doping Agency (USADA) notified both Mirko Cro Cop and the UFC that he has been provisionally suspended due to a potential Anti-Doping Policy violation. The following day in a statement Cro Cop confirmed that he