Mayweather vs Pacquiao, all you need to know about the fight

The biggest fight in the history of boxing takes place this Saturday as Manny Pacquiao bids to be the first man ever to beat Floyd Mayweather.

The pair meet in Las Vegas for the scrap which has been billed as the 'richest fight in history', which is expected to earn the two fighters a combined $300million.

Tickets were sold out within a minute of going on public sale, with some companies then offering tickets for as much as £94,000 just moments after they had all been released.

But when does the fight take place? Is it an all-nighter or an early wake-up call? And who is on the undercard?

The fight takes place this Saturday, May 2, after three months of intense build-up from both camps.

One of the most famous boxing venues, the MGM Grand Hotel, has been selected to host this fight.

Mayweather is fighting out of Vegas and is widely expected to have the backing of the ground throughout the fight.

The MGM Grand is based on the Las Vegas strip and boasts 7,000 rooms and 9,000 employees. The hotel expect 50,000 people to pass through between Friday and Saturday.

Opinions are pretty spit with this fight but the bookmakers believe that unbeaten Vegas boxer Mayweather will have the upper hand and has been made favourite for the fight.

With Paddy Power, you can back Mayweather for as short of a price of 8/15, while Pacquiao is 7/4. In the unlikely scenario of a draw, you can claim 18/1.

The most likely knockout is believed to be in rounds eight or nine, with Pacquiao being touted at 25/1to get the job done in them rounds. Mayweather is liked for a points victory.

Experienced referee Kenny Bayless has been appointed to officiate over the bout.

Nevada Commission-appointed Bayless is no stranger to either competitor, having stepped into the ring with either competitor a total of nine times previously.

Mayweather worked with Bayless in his rematch against Marcos Maidana, as well the bouts with Canelo Alvarez, Shane Mosley and Oscar De La Hoya.

For Pacquiao, Bayless officiated in his rematch with Timothy Bradley, his bouts with Mosley and Miguel Cotto while also orchestrating the third and fourth scraps against Juan Manuel Marquez.

The selected judges for the fight were Burt Clements, Dave Moretti and Glenn Feldman.