Moura began watching professional wrestling as a child with his grandmother. He later studied journalism and wrote an article about Supreme Pro Wrestling for a publication that folded before it could be published. He continued to attend SPW shows with the intention of being involved, becoming a referee and training to wrestle.[17]
Thatcher debuted in Westside Xtreme Wrestling (wXw) in 2013 during its Ambition 4 tournament, in a quarter final match lost against Heddi Karaoui. The following night, he also competed in wXw's Back To The Roots XII event, losing in a singles match against Axel Dieter Jr. During his tenure in wXw, Thatcher became a one-time wXw World Tag Team Champion with Walter, and a one-time wXw Unified World Wrestling Champion.
Thatcher made his Evolve debut at Evolve 31 in a Round Robin Challenge, losing to Drew Gulak. At Evolve 45, Thatcher became a double-champion, winning both the Open the Freedom Gate Championship and the Evolve Championship. Thatcher was the longest reigning Evolve Champion in history until he lost to Zack Sabre Jr. on February 25, 2017, at Evolve 79, ending his reign at 596 days.
On February 2, 2020, it was reported Thatcher signed a developmental contract with WWE.[18] On the April 15 edition of NXT, Thatcher was revealed as Matt Riddle's tag team partner, replacing Pete Dunne (who was unable to travel due to the COVID-19 pandemic). Thatcher and Riddle defended the NXT Tag Team Championship against Undisputed Era. However, on the May 13 edition of NXT, Thatcher and Riddle lost the titles to Imperium when Thatcher walked out on Riddle during the match, turning heel in the process.[19] Thatcher would then face Riddle later on in the evening, with Riddle picking up the win. Following the match, Thatcher would attack Riddle and lock him in his Fujiwara armbar submission. Their storyline would end the following week in a Fight Pit match with Kurt Angle as the special guest referee, where Thatcher won after Riddle passed out to a rear naked choke.
On the June 17, 2020 episode of NXT, Thatcher debuted a new gimmick of a submission specialist who taught students his "Thatch-as-Thatch-Can" style of training.[20] On the September 16 episode of NXT, Thatcher had his first singles championship match in WWE when he faced Damian Priest for the NXT North American Championship where he was unsuccessful. At NXT TakeOver XXX, he had his first Takeover match where he lost to Finn Bálor.
In late 2020, Thatcher began a feud with Tommaso Ciampa which led to a match at NXT TakeOver War Games where Ciampa won.[21][22] On the January 20, 2021, episode of NXT, Thatcher fought Ciampa in the Fight Pit where he came out victorious. After the match, Thatcher and Ciampa showed respect to one another and Ciampa asked Thatcher to be his partner for the Dusty Rhodes Tag Team Classic which Thatcher accepted, turning face in the process.[23] They defeated Ariya Daivari and Tony Nese in the first round, The Undisputed Era (Adam Cole and Roderick Strong), in the quarter-finals, before being defeated by the Grizzled Young Veterans (James Drake and Zack Gibson) in the semi-finals. On the June 15 episode of NXT, Ciampa and Thatcher defeated the Grizzled Young Veterans in a tornado tag match to earn a future NXT Tag Team Championship match. They faced the champions, MSK (Wes Lee and Nash Carter) on July 6 at The Great American Bash but were defeated.
On the August 24, 2021 episode of NXT, Thatcher faced Ridge Holland in a losing effort and after the match would be brutally attacked by Holland, writing him off television. This would mark his final appearance on television as he would transition to a coaching role at the WWE Performance Center. On January 5, 2022, Thatcher was released from his WWE contract.[24]
On April 16, 2023, at Green Journey in Sendai, Thatcher and Saxon Huxley began teaming with each other, and the two developed a good chemistry with one another. Later that night, Hideki Suzuki on the behalf of Thatcher and Huxley challenged Shuhei Taniguchi and Takashi Sugiura to a title match for the GHC Tag Team Championship. After the relationship between Sugiura-gun members had just fizzled out over the previous months, Suzuki stated that Sugiura-gun wasn't working and was over, leading Sugiura to confirm that the stable had disbanded. On April 22, their stable was named "Real". On May 4 at Majestic, Thatcher and Huxley defeated Sugiura and Taniguchi to win the GHC Tag Team Championship. In August, Thatcher took part in the 2023 N-1 Victory, finishing the tournament with a record of four wins and three losses, failing to advance to the finals of the tournament. On September 24 at Grand Ship In Nagoya, Thatcher and Huxley lost the GHC Tag Team Championship to Good Looking Guys (Jack Morris and Anthony Greene).[28]
From February 24 to March 10, Thatcher and Huxley took part in the 2024 Victory Challenge Tag League, where they finished the tournament with a record of five wins and two losses, advancing to the tournament's finals. On March 10, they were defeated in the finals of the tournament by Kaito Kiyomiya and Ryohei Oiwa.[29] However on March 17, it was announced that Kiyomiya, was forced to withdraw from the title match for the GHC Tag Team Championship due to a spinal cord concussion sustained during training, leading Huxley and Thatcher, who finished as the Victory Challenge Tag League runners-up to replace them. At the title match, at Great Voyage in Yokohama, Thatcher and Huxley unsuccessfully challenged Jack Morris and Anthony Greene for the GHC Tag Team Championship.[30]
Thatcher debuted in AEW's sister promotion, Ring of Honor (ROH), on thr February 18, 2023 edition of ROH on HonorClub, where he confronted the ROH Pure ChampionWheeler Yuta. The following week, they wrestled for the Pure Championship, with Thatcher losing.
On June 8, 2023, it was announced by Major League Wrestling that Timothy Thatcher would be making his MLW debut against Tracy Williams on July 8 at Never Say Never. Thatcher would lose at the event via referee stoppage.[31]
^Kreikenbohm, Philip (July 16, 2022). "GHC Tag Team Championship". Cagematch - The Internet Wrestling Database. Archived from the original on October 25, 2021. Retrieved July 17, 2022.