injury he sustained in training. The bout with Weidman eventually took place on 23 May 2015, at UFC 187. Belfort found initial success with a flurry of punches early in the opening of the first round, but Weidman survived them, secured a takedown, achieved the mount position and defeated Belfort via TKO due to punches. Belfort faced Dan Henderson in a rubber match at UFC Fight Night 77 on 7 November 2015. He again defeated Henderson via a combination of head kick and punches. The win also earned Belfort his first Performance of the Night bonus award. Belfort next faced Ronaldo Souza on 14 May 2016, at UFC 198 He lost the fight via TKO in the first round. A long discussed fight with Gegard Mousasi took place on 8 October 2016, at UFC 204. Belfort lost the fight via TKO in the second round. Belfort faced Kelvin Gastelum on 11 March 2017, at UFC Fight Night 106. He lost the fight via a combination of punches in the first round resulting in a K.O. However, Gastelum subsequently tested positive for marijuana and the result was overturned to a No Contest. Belfort faced Nate Marquardt on 3 June 2017, at UFC 212. He won the fight by unanimous decision, his first decision win in nearly a decade. Belfort was expected to face Uriah Hall on 14 January 2018, at UFC Fight Night: Stephens vs. Choi. However, on 13 January 2018, it was announced that Hall did not make it to the weigh-in because he fainted and suffered seizures from weight-cutting practices and the bout was cancelled. Belfort faced Lyoto Machida on 12 May 2018, at UFC 224. He lost the fight after being knocked out by a front kick to the face. Following the fight, Belfort announced his retirement from MMA competition. On Monday 17 December 2018, Vitor Belfort announced his intentions to return from retirement on the Helwani Show. ONE Championship On March 1, 2019, it was reported that Belfort signed by ONE Championship. On April 28, 2020, Belfort announced that he will be making his promotional debut against Alain Ngalani. Belfort has since parted ways with ONE Championship without fighting for the promotion. Grappling ADCC Championships In 2001 Belfort participated in the ADCC championships, in their Absolute division. Prior to that competition he had already faced Hiroki Fukuda, winning by submission, and Mark Robinson, losing by points. In