Good morning! Welcome to our probably unnecessarily long pre-fight coverage of the greatest contest of the century/money-making charade/whatever you're having yourself.

At around five in the morning Irish time, UFC champion Conor McGregor will attempt to become the first man to beat Floyd Mayweather in a professional boxing match. Oh, and it's also the Irishman's first pro fight in the ring rather than the octagon. Sure why not.