10 Things That Would Happen If Conor McGregor Joined WWE

9. McGregor's Shock Debut

If McGregor did come in, expect it to be under major secrecy, just like Lesnar's 2012 return. It would be a pop moment, reserved for a major city like Los Angeles or New York. Or Boston could make sense, with the Irish connection.

When the 'Foggy Dew' music hit with the McGregor and Ireland titantron, the crowd would become ferocious with excitement. The set up would be Vince McMahon in the ring, to introduce a major new signing. It would have been teased throughout the day, with McGregor the last person anyone would expect.

He would then get the mic and do what he does best, talk. And in carrying over the momentum, he'd tell the WWE Universe to watch next week, when he'll be on Raw to name his first victim.

In regards to his UFC contract, he certainly can't fight anywhere else, and may find it difficult to leave for WWE... but Lesnar was allowed to retire and do pro wrestling, so there is a precedent.