Bilyal Makhov
He originally won the bronze medal at the 2012 Summer Olympics in the men's 120 kg category but was upgraded to joint gold medallist with Komeil Ghasemi of Iran in 2020, when retesting of samples revealed both finalists had used illegal substances.[1] On 25 April 2015, it was announced that Makhov had signed with the Ultimate Fighting Championship to compete in the heavyweight division.Makhov decided to continue to wrestle in the hope to medal at the 2016 Summer Olympics in Rio de Janeiro.[2] After the 2016 Summer Olympics, Makhov did not fight in the UFC due to long-term health issues caused by a mercury poisoning he had suffered in 2008.[3] The first wrestler in 42 years to win a medal at the same world championships in both freestyle and Greco-Roman (the last person to accomplish this was Jan Karlsson in 1973).