Conor McGregor is training hard for his UFC comeback and the change in his physique over the last three years is remarkable.
'The Notorious' is set to take on Dustin Poirier in January and is hard at work to get in peak condition.
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What's noticeable is how bulky he is compared to 2017, the year he took on Floyd Mayweather in a huge inter-promotional boxing match.
He captioned the image with: "If I tell you I am good, probably you will say I am boasting. But if I tell you I'm not good. You'll know I'm lying."
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McGregor fought Poirier back in 2014 and ran out dominant winner and will drop down to lightweight to face 'The Diamond.'
His last fight was at welterweight, a 40 second victory over Donald Cerrone at UFC 246 last January.
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"I'm not putting on a freaking multi-million dollar fight at a catch weight that means nothing," UFC president Dana White explained when asked about the fight potentially being at welterweight. "That fight means nothing at 170.
"Neither one of those two are ranked at 170 pounds and it doesn't do anything in the [155] pound division if either one of them win cause they're fighting at 170. It literally makes no sense."
While both men are keen to run it back, official contracts are yet to be signed and Poirier didn't mince his words in a plea to White.
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In a now deleted tweet, he vented: "Me @TheNotoriousMMA is the fight January 23rd. let's make it official! @ufc @danawhite send me the right contract. Stop playing games!"
The Irishman is also set to fight Manny Pacquiao in a boxing match sometime next year.
Do you think Conor McGregor will defeat Dustin Poirier in his return fight?
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Let us know in the comments.
Featured Image Credit: Conor McGregor/InstagramTopics:ย Conor Mcgregor, Dustin Poirier, UFC News, MMA News, UFC, MMA