The Sun is reporting that Conor McGregor is negotiating with Floyd Mayweather on a boxing match in Vegas. Conor would get 10 million, while Floyd would get the rest. Obviously Conor's contract with the UFC would forbid the bout, but I'm not sure if they can actually go to court to stop it.
The Sun is not the most reliable source in the world, but Conor's coach is dropping hints on twitter, so...