Some things you may want to know for the Mayweather/McGregor fight

Floyd Mayweather looks to improve an immaculate professional record to 50-0 in the early hours of Sunday morning when he takes on Ireland's UFC superstar Conor McGregor.

The brash personalities will settle their differences at the T-Mobile Arena in Las Vegas in a cross-code event that has captured the imagination - even though McGregor has never previously boxed in the paid ranks.