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Glover Teixeira has discussed what really happened to Raoni Barcelos at UFC Vegas 121. Barcelos locked horns with Raul Rosas Jr. last month in the main event of the aforementioned fight night, and things were going as planned for the Brazilian.
However, in the fifth round, when Barcelos just had to survive to get his hand raised, he suddenly went unconscious just as Rosas Jr. took him down.
Check out the incident below:
🚨🇺🇸 BREAKING: SCARY SCENE in the UFC tonight as fighter immediately rushed to the hospital after going LIMP during a takedown
Raoni Barcelos appeared to go limp during a takedown in his main event against Raul Rosas Jr. in Las Vegas and never got back up.
The broadcast cut… pic.twitter.com/NGx9gflNmT
Right after that, Barcelos was taken to a Level 1 trauma centre, where they ran several tests. His doctor later told fans that the 39-year-old lost consciousness due to a sudden illness. Now Teixeira, who was present in Barcelos’ corner during the Rosas Jr. fight, has revealed why Barcelos lost consciousness suddenly and blacked out.
As per the former UFC light heavyweight champion, Raoni Barcelos’ test results have revealed that he has a “traumatic brain injury,” due to which he most likely lost consciousness. On the Overdogs Brasil Podcast, he said:
“They went in and ran the tests. There was some swelling in his brain, so it was a traumatic brain injury, and maybe that swelling caused him to black out. It was the body’s defense mechanism. ‘Let’s shut this down because this guy isn’t going to stop.’ His mind was stronger than his body, right? He didn’t want to give up.” [h/t: MMA Fighting]
Finally some clarity from the event last week in UFC regarding Raoni Barcelos, who passed out.
It was swelling in his brain.
Likely due to repetitive hits to the head.
Scary, and the question becomes is he at a significant increased risk for it to happen again? https://t.co/ecdYazUI4n
About Barcelos’ future, Glover Teixeira added:
“Of course, that’s going to be a conversation he’ll have with his family and everyone else. He needs to undergo all the proper tests to find out what happened, whether it really was a result of the trauma from the fight. It’s a decision that has to be made with a lot of care and caution.” [h/t: MMA Fighting]
Glover Teixeira says hospital tests found swelling in Raoni Barcelos’ brain after his frightening collapse at UFC Vegas 121. He described it as a traumatic brain injury and suggested the swelling may have caused him to lose consciousness.
🗣️ “His mind was stronger than his body,… pic.twitter.com/NZgWZa349D
Dana White on Raoni Barcelos’ UFC Future
Although Raoni Barcelos has promised to ‘come back stronger after the unfortunate TKO loss at UFC Vegas 121 and said he just fainted,’ Dana White has stated that the former needs more testing before deciding whether he should continue fighting or retire. White told the media earlier this week:
“I don’t want to make that call until he has more evaluation. I hate that, it’s horrible to see someone go through that. I’m so thrilled with my team; Hunter followed him behind the ambulance to UMC.”
Check out Dana White’s comments below:
Dana on if Barcelos should continue fighting “I don’t want to make that call until he has more evaluation. I hate that, it’s horrible to see someone go through that. I’m so thrilled with my team, Hunter followed him behind the ambulance to UMC”
— FULL SEND MMA (@full_send_mma) October 2, 2026
Subham is a writer and editor with experience spanning MMA, Health & Fitness, true crime, and pop culture. He has previously worked with Sportskeeda MMA, SK True Crime, and SK Pop, Movies, and Shows.
He currently covers the UFC for LowKickMMA and MMA Pros Picks.


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