The American’s bid to win the lightweight title at the second attempt ended in failure in the early hours of Sunday morning in the main event of UFC 274 at the Footprint Center in Phoenix, Arizona.
Fan favourite Gaethje suffered a devastating first-round submission defeat to Do Bronx, who stretched his unbeaten run to eleven fights.
Gaethje got off to a strong start after dropping his Brazilian opponent twice in the first round but was unable to keep up the momentum before he was forced to tap to the former lightweight champion.
But some MMA fans believed it had something to do with Gaethje getting a haircut on an episode of UFC Embedded in the build-up to the event.
One of the UFC’s biggest myths is that a fighter is most likely to lose if they visit a barbershop on the behind-the-scenes vlog.
A video of Gaethje getting his hair cut was posted on MMA Reddit last night. And fans couldn’t help but state the obvious.
One UFC fan wrote: “Gaethje was lucky he lasted so long with such odds against him.”
Another said: “As soon as I saw the episode I bet on Charlie Olives!
“What a dumbass lol [sic].”
And another said: “MMA maths may not work but don’t openly taunt the MMA gods like that.”
While another said: “Barber had money on Oliveira.”
Oliveira, meanwhile, was happy with his performance overall and called for a shot at Conor McGregor for the vacant title.
He said: “There is something missing here. The champion has a name and it’s Charles Oliveira.
“This is a message to the entire division; I am a problem for the entire division. I am the enlighted, I am the champion, this is my title and it should be here.
“Dana White, I don’t care [who I fight next], I’m not going to choose. Hey, Conor McGregor, are you going to come back or are you going to run away?”
And while he may have been stripped of his title after the unfortunate mishap last week, Oliveira still sees himself as the champion despite having it taken away from him.
He added: “The work the team puts in has paid off.
“We always work on submissions and to see the legacy of submissions still going. The work really paid off. It just shows the champion has a name and it is Charles Oliveira.
“I went into the octagon to defend my title, I don’t have to get it back. He’s a guy who pushes forward and I push forward and I knew this was going to happen.
“I knew I was going to get hit and I knew I was going to get him. It all came down to who wanted it more. The champion is Charles Oliveira and that isn’t going to change.”