Jon Jones went five rounds against Muay Thai fighter Thiago Santos at UFC 239. Jones appeared to get injured and had to be helped back to the locker room. The fight was Jones’ third in six months after being suspended from fighting because of a failed drug test. According to Business Insider, the UFC fighter tested positive for the steroid turinabol in 2017. After the fight, Jones admitted Santos “exploited a hole” in his game but said he would correct those flaws.