The biggest fight of the century is almost upon us as UFC Lightweight Champion Conor McGregor takes on the undefeated world boxing champion Floyd Mayweather. As it's taking place in Las Vegas, you will have to stay up until the wee hours if you want to watch it, but to pass the time until then you can watch this documentary which sees renowned UFC commentator Joe Rogan presenting a profile of Crumlin native Conor McGregor.