McGregor v Mayweather weigh-in: Big money will start rolling once weights are confirmed

With mind-boggling sums on the table for the Conor McGregor v Floyd Mayweather fight, the betting is set to ramp up massively after this evening's weigh-in.

Punters will see the difference in size between the two when they strip down to their underwear and shout at each other on the plaza outside the T-Mobile Arena in about a half hour's time.