With Brock Lesnar and CM Punk swapping WWE for UFC, there has been plenty of talk about it possibly happening the other way with outspoken Irishman Conor McGregor.
It's well documented that the companies have a strong working relationship, with Lesnar pulling double duty over the last few months, and big-name star Ronda Rousey appearing at WrestleMania last year.
However, one person that hasn't even considered swapping the octagon for the squared circle is The Notorious, and after his shoot on the entire roster a few months ago, it's very unlikely that he'll ever step foot in the WWE.
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Having said that, the running motto for WWE is 'never say never'. Just look at Sting, Goldberg, and many more that have appeared in WWE after years of it looking unlikely.
Speculation regarding McGregor burst into the spotlight after he said he'd slap the heads off the entire roster, which then led to several of the superstars responding, including Roman Reigns, Sasha Banks, Rusev, and AJ Styles.
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Despite this happening a few months ago, it hasn't stopped the speculation from continuing, and in a recent interview, The Celtic Warrior Sheamus was asked about his countryman.
Whilst doing promotion work for WWE in India, Sheamus was asked about McGregor and whether he could cut it in WWE. In response, he told the reporters that now they have the Cruiserweight Divsion, maybe the UFC star can compete in that.
He said: "I really don’t know. As far as I know he’s still going to be fighting for a really long time.
"I mean there’s a Cruiserweight Division now, so maybe McGregor can join the Cruiserweight Division. But I really don’t know…it’s really up to him.
"He’s obviously got a lot of charisma, I don’t know…if Vince McMahon feels that there’s an opportunity to make money he’ll be here."
It's hard to tell if this was a genuine suggestion from Sheamus, or if he was mocking The Notorious and hinting that he wouldn't be able to cut it with the big boys in WWE.
Sheamus was also asked about what he made of McGregor's comments a few month ago, and he thought that it was just a publicity stunt.
He added: "I thought it was a publicity stunt. That’s all it was. SummerSlam was a day after his PPV. He’d lost a lot of steam. I said so in the tweet I sent out. He was just trying to sell tickets. That’s all it was."
How would YOU use Conor McGregor in WWE? Have YOUR say in the comment section below!