Mixed martial arts career
He made his professional MMA debut in October 2010. Before joining The Ultimate Fighter, he had a record of 8 wins and only 1 loss.
The Ultimate Fighter: Brazil
In the opening round, Santos defeated Gil Freitas by majority decision to get into the TUF house. He was the last pick when it came to the coaches’ pick, ending up on Team Werdum. In the elimination round, Santos first faced Pedro Iriê and won by unanimous decision. In the quarterfinals, he faced eventual season winner Leonardo Santos and lost via unanimous decision.
Ultimate Fighting Championship
Despite not winning the show, Santos was signed to a contract by the UFC. He made his debut on August 3, 2013 at UFC 163 against The Ultimate Fighter: Brazil winner Cezar Ferreira.He lost the fight via submission in the first round.
Santos faced Jack Marshman on February 19, 2017 at UFC Fight Night 105. He won the fight via TKO in the second round due to a combination of a spinning heel kick and punches and picked up a Performance of the Night bonus award.
Santos was briefly linked to a bout with promotional newcomer Michał Materla on October 21, 2017 at UFC Fight Night 118. However, it was revealed on 1 September that Materla had reneged on his agreement with the UFC and was re-signing with the Polish regional promotion KSW. In turn, Santos was removed from the card and faced Jack Hermansson a week later at UFC Fight Night 119. He won the fight via technical knock out in round one.
Santos was scheduled to face Jimi Manuwa in a light heavyweight bout on September 22, 2018 at UFC Fight Night 137, replacing injured Glover Teixeira. Manuwa would also pull out of the bout on September 16, 2018 due to a torn hamstring and he was replaced by Eryk Anders. Santos defeated Anders via referee stoppage TKO when Anders failed to make it to his corner at the conclusion of round three. This win earned him the Fight of the Night award.
Santos faced Jimi Manuwa on December 8, 2018 at UFC 231. He won by KO on early 2nd round. This win earned him the Performance of the Night award and tied for most bout in a calendar year with 5.
Article source: https://en.wikipedia.org/wiki/Thiago_Santos_(fighter)