Floyd Mayweather and Conor McGregor on the verge of agreeing billion dollar mega-fight

UFC star Conor McGregor could face Floyd Mayweather in a boxing ring*

http://www.mirror.co.uk/sport/boxing...or-set-7910197

I'm not going to profess to know anything at all about UFC or this McGregor dude so I don't know if it could possibly be likely or not