to face Besam Yousef on November 17, 2012, at UFC 154, replacing an injured Stephen Thompson. However, Yousef was forced out with an injury and replaced by John Maguire. Riddle defeated Maguire via a unanimous decision. Riddle faced Che Mills on February 16, 2013, at UFC on Fuel TV: Barão vs. McDonald. Riddle defeated Mills via split decision. On February 26, 2013, Riddle revealed that he had tested positive for marijuana. This was his second failed drug test within a year, and Riddle was subsequently released from the promotion. He had finished his UFC career ranked 3rd in UFC history for takedown defense (89.3%) and 8th for the total of strikes that have been landed (1350), and without positive marijuana tests would have held an octagon record of 10–3 with a streak of five consecutive victories. Bellator MMA (2013) Shortly after being released from the Ultimate Fighting Championship (UFC), Riddle signed a multi-fight deal with Texas-based promotion, Legacy Fighting Championships. However, on May 18, 2013, it was announced that Riddle instead joined the Bellator MMA roster after his Legacy contract had been purchased by the promotion. Riddle was expected to compete in the Bellator's welterweight tournament during their ninth season which begins in the Fall of 2013. However Riddle cracked his rib and had to pull out of the tournament, and subsequently retired from MMA fighting due to financial reasons. A few weeks later Riddle came out of retirement and was expected to fight at Bellator 109. Once again Riddle pulled out of that fight and was subsequently released. Titan FC (2014) Riddle fought fellow former UFC fighter Michael Kuiper in the co-main event of Titan FC 27 on February 28, 2014. Riddle won by second round guillotine choke. Riddle was expected to face MMA legend Jose Landi-Jons for the vacant Welterweight Championship at Titan FC 29 on August 22, 2014. However, Landi-Jons was forced out of the bout due to visa issues, and was replaced by UFC veteran Ben Saunders. However, Riddle was forced out of the bout due to injury and was replaced by the man he was originally scheduled to face, Jose Landi-Jons. Professional wrestling career Independent circuit (2014–2018) On October 29, 2014, it was reported that Riddle was training for a career in professional wrestling. Riddle made his professional wrestling debut on February 7, 2015, at the Monster Factory in Paulsboro, New Jersey. In July 2015,