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McGregor shocked the world back in June when he announced his retirement from MMA for the third time in four years.
But 'The Notorious' doesn't looking to be staying away for long and he spoke on the four year anniversary of his win over rival Nate Diaz.
Taking to Instagram, McGregor stated: "4 years ago today!
"Backstage waiting to go out for one of the biggest bouts of my fighting life! McGregor/Diaz II Wow!
"Maybe there is more..."
The Irishman's retirement caught fans off guard as he'd only returned to the octagon for this first time in over a year in January.
He dominated Donald Cerrone in the main event of UFC 246 and sealed victory inside the first 40 seconds.
McGregor looked to treat 2020 as a 'season of fights' and he was motivated to return to championship contention.
The coronavirus pandemic cancelled those plans and with Justin Gaethje set to be lightweight champion Khabib Nurmagomedov's next opponent, the 32-year-old opted to walk away.
"The game just does not excite me, and that's that," McGregor told ESPN.
"All this waiting around. There's nothing happening. I'm going through opponent options, and there's nothing really there at the minute. There's nothing that's exciting me.
"They should have just kept the ball rolling. I mean, why are they pushing [Khabib vs Gaethje] back to September?
"You know what's going to happen in September, something else is going to happen in September, and that's not going to happen. I laid out a plan and a method that was the right move, the right methods to go with.
Hey guys I've decided to retire from fighting.- Conor McGregor (@TheNotoriousMMA) June 7, 2020
Thank you all for the amazing memories! What a ride it's been!
Here is a picture of myself and my mother in Las Vegas post one of my World title wins!
Pick the home of your dreams Mags I love you!
Whatever you desire it's yours :heart: pic.twitter.com/Dh4ijsZacZ
"And they always want to baulk at that and not make it happen or just drag it on. Whatever I say, they want to go against it to show some kind of power. They should have just done the fight -- me and Justin for the interim title -- and just kept the ball rolling."
UFC president Dana White has guaranteed McGregor won't fight this year, but he isn't convinced the retirement will last.
This year, he is retired," White said on the "My Mom's Basement" podcast per ESPN.
"He doesn't have a fight this year, and he won't have a fight this year. Conor McGregor will not fight in 2020. ... I guarantee he will not fight in 2020.
"I'm not focused on anything with anybody who's not fighting. Conor McGregor is retired. Do we all believe he'll stay retired? I think most of us don't believe he'll remain retired."
Do you think Conor McGregor will make a shocking return to UFC?
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Featured Image Credit: PA Images & Conor McGregor/Instagram
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