Thiago Silva

Following this statement, Keith Kizer, the commissioner of the NSAC, confirmed that Thiago Silva’s samples were still undergoing tests; "That’s not accurate. We have gotten only the first sample back. It could be weeks before we find out the results for the second test." The UFC didn't want to take any chances in waiting for the second test for Silva, so they replaced Silva with Matt Hamill.

After a submission loss against Ivan Shtyrkov at Russian Cagefight Championship, Silva face Martin Zawada at KSW 49 on May 18, 2019. He lost the fight via unanimous decision and his opponent was awarded a "Performance of the Night" award.

Silva was scheduled to face Chris Camozzi on June 16, 2018, at ACB 88 in Brisbane, Australia. However, the fight got canceled two days before the event due to Silva’s visa complications.

Silva fought James McSweeney at KSW 45 at heavyweight on October 6, 2018, as McSweeney's original opponent Michal Andryszak pulled out of the fight citing an injury. Thiago won the fight by unanimous decision.

Silva faced Jared Torgeson on January 13, 2017, at ACB 51. He won the fight by unanimous decision to become the Absolute Championship Berkut Light Heavyweight champion.

Silva faced Batraz Agnaev on July 23, 2017, to defend the Absolute Championship Berkut Light Heavyweight Belt. for the first time. However, he lost the fight via TKO in the second round.

Silva faced Daniel Toledo at ACB 74 on November 18, 2017. He won the fight via TKO in the second round.

On January 15, 2015, it was announced that Silva had signed with the WSOF promotion. He entered a four-man tournament for the light heavyweight title.

Silva was originally expected to face Ronny Markes in the semifinals of the tournament, on March 28, 2015, at WSOF 19. Silva's opponent was later changed from Markes to be a rematch against Matt Hamill. However, the day of the event Hamill fell ill and was replaced on short notice by Teddy Holder. A heavy favorite to win, Silva lost the fight via TKO in the first round.

Silva was briefly linked to a bout with Ovince St. Preux on January 15, 2014, at UFC Fight Night 35. However, Silva was quickly removed from the bout for undisclosed reasons. The bout with St. Preux was rescheduled for March 15 at UFC 171. The bout was scrapped again on February 7 after Silva was released from his contract following his arrest the previous night.

On February 6, 2014, in Oakland Park, Florida, Silva allegedly threatened Pablo Popovitch at his Brazilian Jiu-Jitsu Center, and his estranged wife Thaysa, who is in a relationship with the gym's owner, Pablo Popovitch. The day before, Thaysa called police on Thiago for violating a temporary protection order. He was charged with aggravated battery and non-violently resisting an officer; the charges were later lessened to aggravated assaults by a Broward County judge, who also deemed Silva a flight risk and denied him bond. Following the arrest, UFC President Dana White said Silva will "never fight in the UFC again". Later in the day, Silva was released from his UFC contract.

On September 4, 2014, a Florida judge dropped all criminal charges against Silva.

In his first fight since his UFC release, Silva was expected to face Mike Hayes at Fight Time 20 on August 29, 2014. However, Silva sustained a knee injury and the bout was cancelled.

On September 5, 2014, it was announced that Silva had re-signed with the promotion. However, his return was short lived, as on September 19, the UFC released a statement on their website announcing that Silva's contract had been terminated due to new audio and video evidence that had been received that day.

Prior to signing with the Ultimate Fighting Championship, Silva fought almost solely in his native country of Brazil. During his first nine professional bouts, he attained a perfect 9–0 record, winning seven of these bouts by KO or TKO and one by submission. Silva also won the Fury FC 2 Grand Prix in 2006 and fought in a Pancrase bout against Tatsuya Mizuno before receiving a UFC contract.

He next fought Keith Jardine's friend and training partner Rashad Evans in the main event at UFC 108, and lost in a unanimous decision. Evans was able to keep octagon control through aggressive wrestling and takedowns throughout the majority of the fight, though Silva connected with two hooks that dropped Evans and momentarily dazed him in the final round. The judges scored the bout 29–28 for Evans, resulting in Silva's second professional loss.

Silva next faced debuting former Strikeforce Light Heavyweight Champion, Rafael Cavalcante on June 8, 2013, at UFC on Fuel TV 10. He won the fight via knockout in the first round. The fight also earned him his first "Knockout of the Night" and "Fight of the Night" bonus.

Silva faced Matt Hamill on October 9, 2013, at UFC Fight Night 29. He won the fight via unanimous decision (30–27, 30–27, and 29–27).

Silva had served his one-year suspension on January 1, 2012.

Silva was briefly linked to a rematch against Brandon Vera on May 15, 2012, at UFC on Fuel TV: Korean Zombie vs. Poirier. However, Vera was forced out of the bout with an injury and replaced by Igor Pokrajac. Silva, however, was pulled from this bout on March 6 when it was announced he would replace injured Antônio Rogério Nogueira against Alexander Gustafsson at UFC on Fuel TV 2. On April 14, Silva faced rising prospect Alexander Gustafsson in Gustafsson's hometown of Stockholm, Sweden. Gustafsson used his massive reach, and stayed in the outside and Silva couldn't find his distance, Gustafsson knocked Silva down with an uppercut early in the first round that also caused a relatively large cut on the forehead of the Brazilian. He lost the fight via unanimous decision (30–27, 30–27, and 29–28).

Silva was expected to face former UFC Light Heavyweight Champion and former Chute Boxe Academy fighter, Maurício Rua on July 21, 2012, at UFC 149. However, Silva was forced out of the bout with an injury.

Silva faced undefeated Bulgarian wrestler Stanislav Nedkov on November 10, 2012, at UFC on Fuel TV 6. Silva won the fight via an arm-triangle choke submission. His performance earned him his first "Submission of the Night" bonus. On November 21, 2012, it was announced that Silva had failed his post fight drug test, testing positive for marijuana metabolites. Silva was subsequently suspended for 6 months, retroactive to November 10, 2012. His win over Nedkov was changed to a No Contest.

Silva fought Brandon Vera on January 1, 2011, at UFC 125. He won by unanimous decision (30–26, 30–27, and 30–27) after dominating Vera with ground and pound, including open palm thrusts which resulted in Vera's nose being broken.

Silva was expected to face the former UFC Light Heavyweight Champion Quinton Jackson on May 28, 2011, at UFC 130, although there were rumors that the fight had been canceled due to injury or failed drug tests from his UFC 125 bout. In a statement with Brazilian MMA site Tatame, Thiago denied that he was injured; "Injured? Me? I’m very healthy. That’s not true and looks like the NSAC did two tests, one was positive and the other negative, I'm calm."

Thiago Anderson Ramos da Silva (Breton pronunciation: [tʃiˈaɡu ˈsiwvɐ] ; born November 12, 1982) is a Brazilian kickboxer and mixed martial artist who competes in the Light Heavyweight division. A professional competitor since 2005, he formerly competed for the UFC, the World Series of Fighting, Absolute Championship Berkut and Pancrase.